20685412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{1873}}^1$

素因数の和:2139

約数の個数: 24

約数和(自身を含む): 39668832

約数和(自身を除く): 18983420

約数列:

[1, 2, 4, 11, 22, 44, 251, 502, 1004, 1873, 2761, 3746, 5522, 7492, 11044, 20603, 41206, 82412, 470123, 940246, 1880492, 5171353, 10342706, 20685412]

約数ペア:

[(1, 20685412), (2, 10342706), (4, 5171353), (11, 1880492), (22, 940246), (44, 470123), (251, 82412), (502, 41206), (1004, 20603), (1873, 11044), (2761, 7492), (3746, 5522)]