20199552760

素因数分解:

$2^3\times 5^1\times {\mathrm{504988819}}^1$

素因数の和:504988830

約数の個数: 16

約数和(自身を含む): 45448993800

約数和(自身を除く): 25249441040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 504988819, 1009977638, 2019955276, 2524944095, 4039910552, 5049888190, 10099776380, 20199552760]

約数ペア:

[(1, 20199552760), (2, 10099776380), (4, 5049888190), (5, 4039910552), (8, 2524944095), (10, 2019955276), (20, 1009977638), (40, 504988819)]