13397620

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{3701}}^1$

素因数の和:3891

約数の個数: 24

約数和(自身を含む): 28298088

約数和(自身を除く): 14900468

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 3701, 7402, 14804, 18505, 37010, 74020, 669881, 1339762, 2679524, 3349405, 6698810, 13397620]

約数ペア:

[(1, 13397620), (2, 6698810), (4, 3349405), (5, 2679524), (10, 1339762), (20, 669881), (181, 74020), (362, 37010), (724, 18505), (905, 14804), (1810, 7402), (3620, 3701)]