20909317

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2003}}^1$

素因数の和:2100

約数の個数: 16

約数和(自身を含む): 24913728

約数和(自身を除く): 4004411

約数列:

[1, 11, 13, 73, 143, 803, 949, 2003, 10439, 22033, 26039, 146219, 286429, 1608409, 1900847, 20909317]

約数ペア:

[(1, 20909317), (11, 1900847), (13, 1608409), (73, 286429), (143, 146219), (803, 26039), (949, 22033), (2003, 10439)]