20441860

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9377}}^1$

素因数の和:9495

約数の個数: 24

約数和(自身を含む): 43326360

約数和(自身を除く): 22884500

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 9377, 18754, 37508, 46885, 93770, 187540, 1022093, 2044186, 4088372, 5110465, 10220930, 20441860]

約数ペア:

[(1, 20441860), (2, 10220930), (4, 5110465), (5, 4088372), (10, 2044186), (20, 1022093), (109, 187540), (218, 93770), (436, 46885), (545, 37508), (1090, 18754), (2180, 9377)]