20578830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3251}}^1$

素因数の和:3472

約数の個数: 32

約数和(自身を含む): 49638528

約数和(自身を除く): 29059698

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 211, 422, 633, 1055, 1266, 2110, 3165, 3251, 6330, 6502, 9753, 16255, 19506, 32510, 48765, 97530, 685961, 1371922, 2057883, 3429805, 4115766, 6859610, 10289415, 20578830]

約数ペア:

[(1, 20578830), (2, 10289415), (3, 6859610), (5, 4115766), (6, 3429805), (10, 2057883), (15, 1371922), (30, 685961), (211, 97530), (422, 48765), (633, 32510), (1055, 19506), (1266, 16255), (2110, 9753), (3165, 6502), (3251, 6330)]