20808211874

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3939457}}^1$

素因数の和:3939617

約数の個数: 16

約数和(自身を含む): 33091447200

約数和(自身を除く): 12283235326

約数列:

[1, 2, 19, 38, 139, 278, 2641, 5282, 3939457, 7878914, 74849683, 149699366, 547584523, 1095169046, 10404105937, 20808211874]

約数ペア:

[(1, 20808211874), (2, 10404105937), (19, 1095169046), (38, 547584523), (139, 149699366), (278, 74849683), (2641, 7878914), (5282, 3939457)]