20455525

素因数分解:

$5^2\times {\mathrm{443}}^1\times {\mathrm{1847}}^1$

素因数の和:2300

約数の個数: 12

約数和(自身を含む): 25435872

約数和(自身を除く): 4980347

約数列:

[1, 5, 25, 443, 1847, 2215, 9235, 11075, 46175, 818221, 4091105, 20455525]

約数ペア:

[(1, 20455525), (5, 4091105), (25, 818221), (443, 46175), (1847, 11075), (2215, 9235)]