20338100

素因数分解:

$2^2\times 5^2\times {\mathrm{203381}}^1$

素因数の和:203395

約数の個数: 18

約数和(自身を含む): 44133894

約数和(自身を除く): 23795794

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 203381, 406762, 813524, 1016905, 2033810, 4067620, 5084525, 10169050, 20338100]

約数ペア:

[(1, 20338100), (2, 10169050), (4, 5084525), (5, 4067620), (10, 2033810), (20, 1016905), (25, 813524), (50, 406762), (100, 203381)]