20572460

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{5683}}^1$

素因数の和:5873

約数の個数: 24

約数和(自身を含む): 43448496

約数和(自身を除く): 22876036

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 5683, 11366, 22732, 28415, 56830, 113660, 1028623, 2057246, 4114492, 5143115, 10286230, 20572460]

約数ペア:

[(1, 20572460), (2, 10286230), (4, 5143115), (5, 4114492), (10, 2057246), (20, 1028623), (181, 113660), (362, 56830), (724, 28415), (905, 22732), (1810, 11366), (3620, 5683)]