22500220

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{3187}}^1$

素因数の和:3549

約数の個数: 24

約数和(自身を含む): 47399184

約数和(自身を除く): 24898964

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3187, 3530, 6374, 7060, 12748, 15935, 31870, 63740, 1125011, 2250022, 4500044, 5625055, 11250110, 22500220]

約数ペア:

[(1, 22500220), (2, 11250110), (4, 5625055), (5, 4500044), (10, 2250022), (20, 1125011), (353, 63740), (706, 31870), (1412, 15935), (1765, 12748), (3187, 7060), (3530, 6374)]