20518333

素因数分解:

${\mathrm{11}}^2\times {\mathrm{151}}^1\times {\mathrm{1123}}^1$

素因数の和:1296

約数の個数: 12

約数和(自身を含む): 22722784

約数和(自身を除く): 2204451

約数列:

[1, 11, 121, 151, 1123, 1661, 12353, 18271, 135883, 169573, 1865303, 20518333]

約数ペア:

[(1, 20518333), (11, 1865303), (121, 169573), (151, 135883), (1123, 18271), (1661, 12353)]