20387868

素因数分解:

$2^2\times 3^1\times {\mathrm{353}}^1\times {\mathrm{4813}}^1$

素因数の和:5173

約数の個数: 24

約数和(自身を含む): 47716368

約数和(自身を除く): 27328500

約数列:

[1, 2, 3, 4, 6, 12, 353, 706, 1059, 1412, 2118, 4236, 4813, 9626, 14439, 19252, 28878, 57756, 1698989, 3397978, 5096967, 6795956, 10193934, 20387868]

約数ペア:

[(1, 20387868), (2, 10193934), (3, 6795956), (4, 5096967), (6, 3397978), (12, 1698989), (353, 57756), (706, 28878), (1059, 19252), (1412, 14439), (2118, 9626), (4236, 4813)]