20355260

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{5623}}^1$

素因数の和:5813

約数の個数: 24

約数和(自身を含む): 42989856

約数和(自身を除く): 22634596

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 5623, 11246, 22492, 28115, 56230, 112460, 1017763, 2035526, 4071052, 5088815, 10177630, 20355260]

約数ペア:

[(1, 20355260), (2, 10177630), (4, 5088815), (5, 4071052), (10, 2035526), (20, 1017763), (181, 112460), (362, 56230), (724, 28115), (905, 22492), (1810, 11246), (3620, 5623)]