20264959

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{991}}^1$

素因数の和:1039

約数の個数: 18

約数和(自身を含む): 24144288

約数和(自身を除く): 3879329

約数列:

[1, 11, 13, 121, 143, 169, 991, 1573, 1859, 10901, 12883, 20449, 119911, 141713, 167479, 1558843, 1842269, 20264959]

約数ペア:

[(1, 20264959), (11, 1842269), (13, 1558843), (121, 167479), (143, 141713), (169, 119911), (991, 20449), (1573, 12883), (1859, 10901)]