22640180

素因数分解:

$2^2\times 5^1\times {\mathrm{1132009}}^1$

素因数の和:1132018

約数の個数: 12

約数和(自身を含む): 47544420

約数和(自身を除く): 24904240

約数列:

[1, 2, 4, 5, 10, 20, 1132009, 2264018, 4528036, 5660045, 11320090, 22640180]

約数ペア:

[(1, 22640180), (2, 11320090), (4, 5660045), (5, 4528036), (10, 2264018), (20, 1132009)]