20792042018

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{655859}}^1$

素因数の和:656014

約数の個数: 24

約数和(自身を含む): 34542834480

約数和(自身を除く): 13750792462

約数列:

[1, 2, 11, 22, 121, 131, 242, 262, 1441, 2882, 15851, 31702, 655859, 1311718, 7214449, 14428898, 79358939, 85917529, 158717878, 171835058, 945092819, 1890185638, 10396021009, 20792042018]

約数ペア:

[(1, 20792042018), (2, 10396021009), (11, 1890185638), (22, 945092819), (121, 171835058), (131, 158717878), (242, 85917529), (262, 79358939), (1441, 14428898), (2882, 7214449), (15851, 1311718), (31702, 655859)]