20455171

素因数分解:

${\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{2381}}^1$

素因数の和:2474

約数の個数: 12

約数和(自身を含む): 22810032

約数和(自身を除く): 2354861

約数列:

[1, 11, 71, 121, 781, 2381, 8591, 26191, 169051, 288101, 1859561, 20455171]

約数ペア:

[(1, 20455171), (11, 1859561), (71, 288101), (121, 169051), (781, 26191), (2381, 8591)]