20373860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3407}}^1$

素因数の和:3452

約数の個数: 48

約数和(自身を含む): 48093696

約数和(自身を除く): 27719836

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 3407, 5980, 6814, 13628, 17035, 34070, 44291, 68140, 78361, 88582, 156722, 177164, 221455, 313444, 391805, 442910, 783610, 885820, 1018693, 1567220, 2037386, 4074772, 5093465, 10186930, 20373860]

約数ペア:

[(1, 20373860), (2, 10186930), (4, 5093465), (5, 4074772), (10, 2037386), (13, 1567220), (20, 1018693), (23, 885820), (26, 783610), (46, 442910), (52, 391805), (65, 313444), (92, 221455), (115, 177164), (130, 156722), (230, 88582), (260, 78361), (299, 68140), (460, 44291), (598, 34070), (1196, 17035), (1495, 13628), (2990, 6814), (3407, 5980)]