20381968

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{34429}}^1$

素因数の和:34474

約数の個数: 20

約数和(自身を含む): 40558540

約数和(自身を除く): 20176572

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 34429, 68858, 137716, 275432, 550864, 1273873, 2547746, 5095492, 10190984, 20381968]

約数ペア:

[(1, 20381968), (2, 10190984), (4, 5095492), (8, 2547746), (16, 1273873), (37, 550864), (74, 275432), (148, 137716), (296, 68858), (592, 34429)]