20957222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73277}}^1$

素因数の和:73303

約数の個数: 16

約数和(自身を含む): 36932112

約数和(自身を除く): 15974890

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 73277, 146554, 806047, 952601, 1612094, 1905202, 10478611, 20957222]

約数ペア:

[(1, 20957222), (2, 10478611), (11, 1905202), (13, 1612094), (22, 952601), (26, 806047), (143, 146554), (286, 73277)]