20948500

素因数分解:

$2^2\times 5^3\times {\mathrm{41897}}^1$

素因数の和:41916

約数の個数: 24

約数和(自身を含む): 45752616

約数和(自身を除く): 24804116

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 41897, 83794, 167588, 209485, 418970, 837940, 1047425, 2094850, 4189700, 5237125, 10474250, 20948500]

約数ペア:

[(1, 20948500), (2, 10474250), (4, 5237125), (5, 4189700), (10, 2094850), (20, 1047425), (25, 837940), (50, 418970), (100, 209485), (125, 167588), (250, 83794), (500, 41897)]