20243368820

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9285949}}^1$

素因数の和:9286067

約数の個数: 24

約数和(自身を含む): 42901089000

約数和(自身を除く): 22657720180

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 9285949, 18571898, 37143796, 46429745, 92859490, 185718980, 1012168441, 2024336882, 4048673764, 5060842205, 10121684410, 20243368820]

約数ペア:

[(1, 20243368820), (2, 10121684410), (4, 5060842205), (5, 4048673764), (10, 2024336882), (20, 1012168441), (109, 185718980), (218, 92859490), (436, 46429745), (545, 37143796), (1090, 18571898), (2180, 9285949)]