20620886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72101}}^1$

素因数の和:72127

約数の個数: 16

約数和(自身を含む): 36339408

約数和(自身を除く): 15718522

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 72101, 144202, 793111, 937313, 1586222, 1874626, 10310443, 20620886]

約数ペア:

[(1, 20620886), (2, 10310443), (11, 1874626), (13, 1586222), (22, 937313), (26, 793111), (143, 144202), (286, 72101)]