20565190613

素因数分解:

${\mathrm{11}}^2\times {\mathrm{347}}^1\times {\mathrm{489799}}^1$

素因数の和:490168

約数の個数: 12

約数和(自身を含む): 22669903200

約数和(自身を除く): 2104712587

約数列:

[1, 11, 121, 347, 3817, 41987, 489799, 5387789, 59265679, 169960253, 1869562783, 20565190613]

約数ペア:

[(1, 20565190613), (11, 1869562783), (121, 169960253), (347, 59265679), (3817, 5387789), (41987, 489799)]