202720912

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{80701}}^1$

素因数の和:80866

約数の個数: 20

約数和(自身を含む): 395278396

約数和(自身を除く): 192557484

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 80701, 161402, 322804, 645608, 1291216, 12670057, 25340114, 50680228, 101360456, 202720912]

約数ペア:

[(1, 202720912), (2, 101360456), (4, 50680228), (8, 25340114), (16, 12670057), (157, 1291216), (314, 645608), (628, 322804), (1256, 161402), (2512, 80701)]