20171640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1571}}^1$

素因数の和:1692

約数の個数: 64

約数和(自身を含む): 61119360

約数和(自身を除く): 40947720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 214, 321, 428, 535, 642, 856, 1070, 1284, 1571, 1605, 2140, 2568, 3142, 3210, 4280, 4713, 6284, 6420, 7855, 9426, 12568, 12840, 15710, 18852, 23565, 31420, 37704, 47130, 62840, 94260, 168097, 188520, 336194, 504291, 672388, 840485, 1008582, 1344776, 1680970, 2017164, 2521455, 3361940, 4034328, 5042910, 6723880, 10085820, 20171640]

約数ペア:

[(1, 20171640), (2, 10085820), (3, 6723880), (4, 5042910), (5, 4034328), (6, 3361940), (8, 2521455), (10, 2017164), (12, 1680970), (15, 1344776), (20, 1008582), (24, 840485), (30, 672388), (40, 504291), (60, 336194), (107, 188520), (120, 168097), (214, 94260), (321, 62840), (428, 47130), (535, 37704), (642, 31420), (856, 23565), (1070, 18852), (1284, 15710), (1571, 12840), (1605, 12568), (2140, 9426), (2568, 7855), (3142, 6420), (3210, 6284), (4280, 4713)]