20403170

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{43411}}^1$

素因数の和:43465

約数の個数: 16

約数和(自身を含む): 37507968

約数和(自身を除く): 17104798

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 43411, 86822, 217055, 434110, 2040317, 4080634, 10201585, 20403170]

約数ペア:

[(1, 20403170), (2, 10201585), (5, 4080634), (10, 2040317), (47, 434110), (94, 217055), (235, 86822), (470, 43411)]