20187876

素因数分解:

$2^2\times 3^1\times {\mathrm{163}}^1\times {\mathrm{10321}}^1$

素因数の和:10491

約数の個数: 24

約数和(自身を含む): 47398624

約数和(自身を除く): 27210748

約数列:

[1, 2, 3, 4, 6, 12, 163, 326, 489, 652, 978, 1956, 10321, 20642, 30963, 41284, 61926, 123852, 1682323, 3364646, 5046969, 6729292, 10093938, 20187876]

約数ペア:

[(1, 20187876), (2, 10093938), (3, 6729292), (4, 5046969), (6, 3364646), (12, 1682323), (163, 123852), (326, 61926), (489, 41284), (652, 30963), (978, 20642), (1956, 10321)]