20652250

素因数分解:

$2^1\times 5^3\times {\mathrm{82609}}^1$

素因数の和:82626

約数の個数: 16

約数和(自身を含む): 38661480

約数和(自身を除く): 18009230

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 82609, 165218, 413045, 826090, 2065225, 4130450, 10326125, 20652250]

約数ペア:

[(1, 20652250), (2, 10326125), (5, 4130450), (10, 2065225), (25, 826090), (50, 413045), (125, 165218), (250, 82609)]