20211005956

素因数分解:

$2^2\times {\mathrm{199}}^1\times {\mathrm{25390711}}^1$

素因数の和:25390914

約数の個数: 12

約数和(自身を含む): 35546996800

約数和(自身を除く): 15335990844

約数列:

[1, 2, 4, 199, 398, 796, 25390711, 50781422, 101562844, 5052751489, 10105502978, 20211005956]

約数ペア:

[(1, 20211005956), (2, 10105502978), (4, 5052751489), (199, 101562844), (398, 50781422), (796, 25390711)]