20375974

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{1213}}^1$

素因数の和:1479

約数の個数: 16

約数和(自身を含む): 31554288

約数和(自身を除く): 11178314

約数列:

[1, 2, 37, 74, 227, 454, 1213, 2426, 8399, 16798, 44881, 89762, 275351, 550702, 10187987, 20375974]

約数ペア:

[(1, 20375974), (2, 10187987), (37, 550702), (74, 275351), (227, 89762), (454, 44881), (1213, 16798), (2426, 8399)]