20317154

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71039}}^1$

素因数の和:71065

約数の個数: 16

約数和(自身を含む): 35804160

約数和(自身を除く): 15487006

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 71039, 142078, 781429, 923507, 1562858, 1847014, 10158577, 20317154]

約数ペア:

[(1, 20317154), (2, 10158577), (11, 1847014), (13, 1562858), (22, 923507), (26, 781429), (143, 142078), (286, 71039)]