20210572280

素因数分解:

$2^3\times 5^1\times {\mathrm{505264307}}^1$

素因数の和:505264318

約数の個数: 16

約数和(自身を含む): 45473787720

約数和(自身を除く): 25263215440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 505264307, 1010528614, 2021057228, 2526321535, 4042114456, 5052643070, 10105286140, 20210572280]

約数ペア:

[(1, 20210572280), (2, 10105286140), (4, 5052643070), (5, 4042114456), (8, 2526321535), (10, 2021057228), (20, 1010528614), (40, 505264307)]