20767525

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{20261}}^1$

素因数の和:20312

約数の個数: 12

約数和(自身を含む): 26381124

約数和(自身を除く): 5613599

約数列:

[1, 5, 25, 41, 205, 1025, 20261, 101305, 506525, 830701, 4153505, 20767525]

約数ペア:

[(1, 20767525), (5, 4153505), (25, 830701), (41, 506525), (205, 101305), (1025, 20261)]