20228900

素因数分解:

$2^2\times 5^2\times {\mathrm{202289}}^1$

素因数の和:202303

約数の個数: 18

約数和(自身を含む): 43896930

約数和(自身を除く): 23668030

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 202289, 404578, 809156, 1011445, 2022890, 4045780, 5057225, 10114450, 20228900]

約数ペア:

[(1, 20228900), (2, 10114450), (4, 5057225), (5, 4045780), (10, 2022890), (20, 1011445), (25, 809156), (50, 404578), (100, 202289)]