20886664

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{49261}}^1$

素因数の和:49320

約数の個数: 16

約数和(自身を含む): 39902220

約数和(自身を除く): 19015556

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 49261, 98522, 197044, 394088, 2610833, 5221666, 10443332, 20886664]

約数ペア:

[(1, 20886664), (2, 10443332), (4, 5221666), (8, 2610833), (53, 394088), (106, 197044), (212, 98522), (424, 49261)]