2020413025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{77933}}^1$

素因数の和:78021

約数の個数: 24

約数和(自身を含む): 2696204664

約数和(自身を除く): 675791639

約数列:

[1, 5, 17, 25, 61, 85, 305, 425, 1037, 1525, 5185, 25925, 77933, 389665, 1324861, 1948325, 4753913, 6624305, 23769565, 33121525, 80816521, 118847825, 404082605, 2020413025]

約数ペア:

[(1, 2020413025), (5, 404082605), (17, 118847825), (25, 80816521), (61, 33121525), (85, 23769565), (305, 6624305), (425, 4753913), (1037, 1948325), (1525, 1324861), (5185, 389665), (25925, 77933)]