20505652912

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{11977601}}^1$

素因数の和:11977716

約数の個数: 20

約数和(自身を含む): 40101011496

約数和(自身を除く): 19595358584

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 11977601, 23955202, 47910404, 95820808, 191641616, 1281603307, 2563206614, 5126413228, 10252826456, 20505652912]

約数ペア:

[(1, 20505652912), (2, 10252826456), (4, 5126413228), (8, 2563206614), (16, 1281603307), (107, 191641616), (214, 95820808), (428, 47910404), (856, 23955202), (1712, 11977601)]