20876680225

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{364499}}^1$

素因数の和:364617

約数の個数: 24

約数和(自身を含む): 27118800000

約数和(自身を除く): 6242119775

約数列:

[1, 5, 25, 29, 79, 145, 395, 725, 1975, 2291, 11455, 57275, 364499, 1822495, 9112475, 10570471, 28795421, 52852355, 143977105, 264261775, 719885525, 835067209, 4175336045, 20876680225]

約数ペア:

[(1, 20876680225), (5, 4175336045), (25, 835067209), (29, 719885525), (79, 264261775), (145, 143977105), (395, 52852355), (725, 28795421), (1975, 10570471), (2291, 9112475), (11455, 1822495), (57275, 364499)]