2021707700

素因数分解:

$2^2\times 5^2\times {\mathrm{20217077}}^1$

素因数の和:20217091

約数の個数: 18

約数和(自身を含む): 4387105926

約数和(自身を除く): 2365398226

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 20217077, 40434154, 80868308, 101085385, 202170770, 404341540, 505426925, 1010853850, 2021707700]

約数ペア:

[(1, 2021707700), (2, 1010853850), (4, 505426925), (5, 404341540), (10, 202170770), (20, 101085385), (25, 80868308), (50, 40434154), (100, 20217077)]