12 groups of order 20590.
| SmallGroups | group |
|---|---|
| (20590, 1) | C2×C5×C29×C71 #35207200 |
| (20590, 2) | C2×C29×C71⋊C5 #35207201 |
| (20590, 3) | C5×C29×D71 #35207202 |
| (20590, 4) | C5×D29×C71 #35207203 |
| (20590, 5) | C5×D2059 #35207204 |
| (20590, 6) | D5×C29×C71 #35207205 |
| (20590, 7) | C29×D355 #35207206 |
| (20590, 8) | C71×D145 #35207207 |
| (20590, 9) | D10295 #35207208 |
| (20590, 10) | C29×D71⋊C5 #35207209 |
| (20590, 11) | D29×C71⋊C5 #35207210 |
| (20590, 12) | C29⋊(D71⋊C5) #35207211 |