20264751

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{457}}^1$

素因数の和:855

約数の個数: 24

約数和(自身を含む): 31675280

約数和(自身を除く): 11410529

約数列:

[1, 3, 9, 13, 39, 117, 379, 457, 1137, 1371, 3411, 4113, 4927, 5941, 14781, 17823, 44343, 53469, 173203, 519609, 1558827, 2251639, 6754917, 20264751]

約数ペア:

[(1, 20264751), (3, 6754917), (9, 2251639), (13, 1558827), (39, 519609), (117, 173203), (379, 53469), (457, 44343), (1137, 17823), (1371, 14781), (3411, 5941), (4113, 4927)]