20809392

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{11717}}^1$

素因数の和:11765

約数の個数: 40

約数和(自身を含む): 55215216

約数和(自身を除く): 34405824

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776, 11717, 23434, 35151, 46868, 70302, 93736, 140604, 187472, 281208, 433529, 562416, 867058, 1300587, 1734116, 2601174, 3468232, 5202348, 6936464, 10404696, 20809392]

約数ペア:

[(1, 20809392), (2, 10404696), (3, 6936464), (4, 5202348), (6, 3468232), (8, 2601174), (12, 1734116), (16, 1300587), (24, 867058), (37, 562416), (48, 433529), (74, 281208), (111, 187472), (148, 140604), (222, 93736), (296, 70302), (444, 46868), (592, 35151), (888, 23434), (1776, 11717)]