822245020

素因数分解:

$2^2\times 5^1\times {\mathrm{41112251}}^1$

素因数の和:41112260

約数の個数: 12

約数和(自身を含む): 1726714584

約数和(自身を除く): 904469564

約数列:

[1, 2, 4, 5, 10, 20, 41112251, 82224502, 164449004, 205561255, 411122510, 822245020]

約数ペア:

[(1, 822245020), (2, 411122510), (4, 205561255), (5, 164449004), (10, 82224502), (20, 41112251)]