20161880455

素因数分解:

$5^1\times {\mathrm{241}}^1\times {\mathrm{431}}^1\times {\mathrm{38821}}^1$

素因数の和:39498

約数の個数: 16

約数和(自身を含む): 24351643008

約数和(自身を除く): 4189762553

約数列:

[1, 5, 241, 431, 1205, 2155, 38821, 103871, 194105, 519355, 9355861, 16731851, 46779305, 83659255, 4032376091, 20161880455]

約数ペア:

[(1, 20161880455), (5, 4032376091), (241, 83659255), (431, 46779305), (1205, 16731851), (2155, 9355861), (38821, 519355), (103871, 194105)]