20244440

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{5011}}^1$

素因数の和:5123

約数の個数: 32

約数和(自身を含む): 46010160

約数和(自身を除く): 25765720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 5011, 10022, 20044, 25055, 40088, 50110, 100220, 200440, 506111, 1012222, 2024444, 2530555, 4048888, 5061110, 10122220, 20244440]

約数ペア:

[(1, 20244440), (2, 10122220), (4, 5061110), (5, 4048888), (8, 2530555), (10, 2024444), (20, 1012222), (40, 506111), (101, 200440), (202, 100220), (404, 50110), (505, 40088), (808, 25055), (1010, 20044), (2020, 10022), (4040, 5011)]