20505500

素因数分解:

$2^2\times 5^3\times {\mathrm{41011}}^1$

素因数の和:41030

約数の個数: 24

約数和(自身を含む): 44785104

約数和(自身を除く): 24279604

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 41011, 82022, 164044, 205055, 410110, 820220, 1025275, 2050550, 4101100, 5126375, 10252750, 20505500]

約数ペア:

[(1, 20505500), (2, 10252750), (4, 5126375), (5, 4101100), (10, 2050550), (20, 1025275), (25, 820220), (50, 410110), (100, 205055), (125, 164044), (250, 82022), (500, 41011)]