20157079108

素因数分解:

$2^2\times {\mathrm{409}}^1\times {\mathrm{12320953}}^1$

素因数の和:12321366

約数の個数: 12

約数和(自身を含む): 35361137980

約数和(自身を除く): 15204058872

約数列:

[1, 2, 4, 409, 818, 1636, 12320953, 24641906, 49283812, 5039269777, 10078539554, 20157079108]

約数ペア:

[(1, 20157079108), (2, 10078539554), (4, 5039269777), (409, 49283812), (818, 24641906), (1636, 12320953)]