20766040

素因数分解:

$2^3\times 5^1\times {\mathrm{519151}}^1$

素因数の和:519162

約数の個数: 16

約数和(自身を含む): 46723680

約数和(自身を除く): 25957640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 519151, 1038302, 2076604, 2595755, 4153208, 5191510, 10383020, 20766040]

約数ペア:

[(1, 20766040), (2, 10383020), (4, 5191510), (5, 4153208), (8, 2595755), (10, 2076604), (20, 1038302), (40, 519151)]