20020410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1229}}^1$

素因数の和:1423

約数の個数: 48

約数和(自身を含む): 52383240

約数和(自身を除く): 32362830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 181, 362, 543, 905, 1086, 1229, 1629, 1810, 2458, 2715, 3258, 3687, 5430, 6145, 7374, 8145, 11061, 12290, 16290, 18435, 22122, 36870, 55305, 110610, 222449, 444898, 667347, 1112245, 1334694, 2002041, 2224490, 3336735, 4004082, 6673470, 10010205, 20020410]

約数ペア:

[(1, 20020410), (2, 10010205), (3, 6673470), (5, 4004082), (6, 3336735), (9, 2224490), (10, 2002041), (15, 1334694), (18, 1112245), (30, 667347), (45, 444898), (90, 222449), (181, 110610), (362, 55305), (543, 36870), (905, 22122), (1086, 18435), (1229, 16290), (1629, 12290), (1810, 11061), (2458, 8145), (2715, 7374), (3258, 6145), (3687, 5430)]