20218804748

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{1217}}^1\times {\mathrm{133981}}^1$

素因数の和:135233

約数の個数: 24

約数和(自身を含む): 36554577024

約数和(自身を除く): 16335772276

約数列:

[1, 2, 4, 31, 62, 124, 1217, 2434, 4868, 37727, 75454, 133981, 150908, 267962, 535924, 4153411, 8306822, 16613644, 163054877, 326109754, 652219508, 5054701187, 10109402374, 20218804748]

約数ペア:

[(1, 20218804748), (2, 10109402374), (4, 5054701187), (31, 652219508), (62, 326109754), (124, 163054877), (1217, 16613644), (2434, 8306822), (4868, 4153411), (37727, 535924), (75454, 267962), (133981, 150908)]