202100900

素因数分解:

$2^2\times 5^2\times {\mathrm{2021009}}^1$

素因数の和:2021023

約数の個数: 18

約数和(自身を含む): 438559170

約数和(自身を除く): 236458270

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2021009, 4042018, 8084036, 10105045, 20210090, 40420180, 50525225, 101050450, 202100900]

約数ペア:

[(1, 202100900), (2, 101050450), (4, 50525225), (5, 40420180), (10, 20210090), (20, 10105045), (25, 8084036), (50, 4042018), (100, 2021009)]