22521020

素因数分解:

$2^2\times 5^1\times {\mathrm{569}}^1\times {\mathrm{1979}}^1$

素因数の和:2557

約数の個数: 24

約数和(自身を含む): 47401200

約数和(自身を除く): 24880180

約数列:

[1, 2, 4, 5, 10, 20, 569, 1138, 1979, 2276, 2845, 3958, 5690, 7916, 9895, 11380, 19790, 39580, 1126051, 2252102, 4504204, 5630255, 11260510, 22521020]

約数ペア:

[(1, 22521020), (2, 11260510), (4, 5630255), (5, 4504204), (10, 2252102), (20, 1126051), (569, 39580), (1138, 19790), (1979, 11380), (2276, 9895), (2845, 7916), (3958, 5690)]