20175222275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{154807}}^1$

素因数の和:155231

約数の個数: 24

約数和(自身を含む): 27009042144

約数和(自身を除く): 6833819869

約数列:

[1, 5, 13, 25, 65, 325, 401, 2005, 5213, 10025, 26065, 130325, 154807, 774035, 2012491, 3870175, 10062455, 50312275, 62077607, 310388035, 807008891, 1551940175, 4035044455, 20175222275]

約数ペア:

[(1, 20175222275), (5, 4035044455), (13, 1551940175), (25, 807008891), (65, 310388035), (325, 62077607), (401, 50312275), (2005, 10062455), (5213, 3870175), (10025, 2012491), (26065, 774035), (130325, 154807)]