20344874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{6653}}^1$

素因数の和:6805

約数の個数: 16

約数和(自身を含む): 33536160

約数和(自身を除く): 13191286

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 6653, 13306, 73183, 146366, 924767, 1849534, 10172437, 20344874]

約数ペア:

[(1, 20344874), (2, 10172437), (11, 1849534), (22, 924767), (139, 146366), (278, 73183), (1529, 13306), (3058, 6653)]