20403897100

素因数分解:

$2^2\times 5^2\times {\mathrm{1009}}^1\times {\mathrm{202219}}^1$

素因数の和:203242

約数の個数: 36

約数和(自身を含む): 44320557400

約数和(自身を除く): 23916660300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1009, 2018, 4036, 5045, 10090, 20180, 25225, 50450, 100900, 202219, 404438, 808876, 1011095, 2022190, 4044380, 5055475, 10110950, 20221900, 204038971, 408077942, 816155884, 1020194855, 2040389710, 4080779420, 5100974275, 10201948550, 20403897100]

約数ペア:

[(1, 20403897100), (2, 10201948550), (4, 5100974275), (5, 4080779420), (10, 2040389710), (20, 1020194855), (25, 816155884), (50, 408077942), (100, 204038971), (1009, 20221900), (2018, 10110950), (4036, 5055475), (5045, 4044380), (10090, 2022190), (20180, 1011095), (25225, 808876), (50450, 404438), (100900, 202219)]