204038180

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{101009}}^1$

素因数の和:101119

約数の個数: 24

約数和(自身を含む): 432726840

約数和(自身を除く): 228688660

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 101009, 202018, 404036, 505045, 1010090, 2020180, 10201909, 20403818, 40807636, 51009545, 102019090, 204038180]

約数ペア:

[(1, 204038180), (2, 102019090), (4, 51009545), (5, 40807636), (10, 20403818), (20, 10201909), (101, 2020180), (202, 1010090), (404, 505045), (505, 404036), (1010, 202018), (2020, 101009)]