20125909531

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2189741}}^1$

素因数の和:2189862

約数の個数: 16

約数和(自身を含む): 25015612608

約数和(自身を除く): 4889703077

約数列:

[1, 7, 13, 91, 101, 707, 1313, 9191, 2189741, 15328187, 28466633, 199266431, 221163841, 1548146887, 2875129933, 20125909531]

約数ペア:

[(1, 20125909531), (7, 2875129933), (13, 1548146887), (91, 221163841), (101, 199266431), (707, 28466633), (1313, 15328187), (9191, 2189741)]