9944020

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1181}}^1$

素因数の和:1611

約数の個数: 24

約数和(自身を含む): 20949768

約数和(自身を除く): 11005748

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1181, 1684, 2105, 2362, 4210, 4724, 5905, 8420, 11810, 23620, 497201, 994402, 1988804, 2486005, 4972010, 9944020]

約数ペア:

[(1, 9944020), (2, 4972010), (4, 2486005), (5, 1988804), (10, 994402), (20, 497201), (421, 23620), (842, 11810), (1181, 8420), (1684, 5905), (2105, 4724), (2362, 4210)]