20765524

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1657}}^1$

素因数の和:1915

約数の個数: 24

約数和(自身を含む): 39321128

約数和(自身を除く): 18555604

約数列:

[1, 2, 4, 13, 26, 52, 241, 482, 964, 1657, 3133, 3314, 6266, 6628, 12532, 21541, 43082, 86164, 399337, 798674, 1597348, 5191381, 10382762, 20765524]

約数ペア:

[(1, 20765524), (2, 10382762), (4, 5191381), (13, 1597348), (26, 798674), (52, 399337), (241, 86164), (482, 43082), (964, 21541), (1657, 12532), (3133, 6628), (3314, 6266)]