20228370920

素因数分解:

$2^3\times 5^1\times {\mathrm{505709273}}^1$

素因数の和:505709284

約数の個数: 16

約数和(自身を含む): 45513834660

約数和(自身を除く): 25285463740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 505709273, 1011418546, 2022837092, 2528546365, 4045674184, 5057092730, 10114185460, 20228370920]

約数ペア:

[(1, 20228370920), (2, 10114185460), (4, 5057092730), (5, 4045674184), (8, 2528546365), (10, 2022837092), (20, 1011418546), (40, 505709273)]