20945639

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2063}}^1$

素因数の和:2158

約数の個数: 16

約数和(自身を含む): 24966144

約数和(自身を除く): 4020505

約数列:

[1, 11, 13, 71, 143, 781, 923, 2063, 10153, 22693, 26819, 146473, 295009, 1611203, 1904149, 20945639]

約数ペア:

[(1, 20945639), (11, 1904149), (13, 1611203), (71, 295009), (143, 146473), (781, 26819), (923, 22693), (2063, 10153)]