2021737100

素因数分解:

$2^2\times 5^2\times {\mathrm{20217371}}^1$

素因数の和:20217385

約数の個数: 18

約数和(自身を含む): 4387169724

約数和(自身を除く): 2365432624

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 20217371, 40434742, 80869484, 101086855, 202173710, 404347420, 505434275, 1010868550, 2021737100]

約数ペア:

[(1, 2021737100), (2, 1010868550), (4, 505434275), (5, 404347420), (10, 202173710), (20, 101086855), (25, 80869484), (50, 40434742), (100, 20217371)]