23980820

素因数分解:

$2^2\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1361}}^1$

素因数の和:2251

約数の個数: 24

約数和(自身を含む): 50453928

約数和(自身を除く): 26473108

約数列:

[1, 2, 4, 5, 10, 20, 881, 1361, 1762, 2722, 3524, 4405, 5444, 6805, 8810, 13610, 17620, 27220, 1199041, 2398082, 4796164, 5995205, 11990410, 23980820]

約数ペア:

[(1, 23980820), (2, 11990410), (4, 5995205), (5, 4796164), (10, 2398082), (20, 1199041), (881, 27220), (1361, 17620), (1762, 13610), (2722, 8810), (3524, 6805), (4405, 5444)]