8 groups of order 20490.
| SmallGroups | group |
|---|---|
| (20490, 1) | C2×C3×C5×C683 #35206112 |
| (20490, 2) | C3×C5×D683 #35206113 |
| (20490, 3) | C3×D5×C683 #35206114 |
| (20490, 4) | C3×D3415 #35206115 |
| (20490, 5) | C5×D3×C683 #35206116 |
| (20490, 6) | C5×D2049 #35206117 |
| (20490, 7) | D15×C683 #35206118 |
| (20490, 8) | D10245 #35206119 |