20689922

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{1361}}^1$

素因数の和:2065

約数の個数: 16

約数和(自身を含む): 33930144

約数和(自身を除く): 13240222

約数列:

[1, 2, 11, 22, 691, 1361, 1382, 2722, 7601, 14971, 15202, 29942, 940451, 1880902, 10344961, 20689922]

約数ペア:

[(1, 20689922), (2, 10344961), (11, 1880902), (22, 940451), (691, 29942), (1361, 15202), (1382, 14971), (2722, 7601)]