20129241836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{662059}}^1$

素因数の和:662765

約数の個数: 24

約数和(自身を含む): 38484223680

約数和(自身を除く): 18354981844

約数列:

[1, 2, 4, 11, 22, 44, 691, 1382, 2764, 7601, 15202, 30404, 662059, 1324118, 2648236, 7282649, 14565298, 29130596, 457482769, 914965538, 1829931076, 5032310459, 10064620918, 20129241836]

約数ペア:

[(1, 20129241836), (2, 10064620918), (4, 5032310459), (11, 1829931076), (22, 914965538), (44, 457482769), (691, 29130596), (1382, 14565298), (2764, 7282649), (7601, 2648236), (15202, 1324118), (30404, 662059)]