20946431

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{599}}^1$

素因数の和:655

約数の個数: 18

約数和(自身を含む): 24498600

約数和(自身を除く): 3552169

約数列:

[1, 11, 17, 121, 187, 289, 599, 2057, 3179, 6589, 10183, 34969, 72479, 112013, 173111, 1232143, 1904221, 20946431]

約数ペア:

[(1, 20946431), (11, 1904221), (17, 1232143), (121, 173111), (187, 112013), (289, 72479), (599, 34969), (2057, 10183), (3179, 6589)]