20200450

素因数分解:

$2^1\times 5^2\times {\mathrm{404009}}^1$

素因数の和:404021

約数の個数: 12

約数和(自身を含む): 37572930

約数和(自身を除く): 17372480

約数列:

[1, 2, 5, 10, 25, 50, 404009, 808018, 2020045, 4040090, 10100225, 20200450]

約数ペア:

[(1, 20200450), (2, 10100225), (5, 4040090), (10, 2020045), (25, 808018), (50, 404009)]