20041328

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{12161}}^1$

素因数の和:12272

約数の個数: 20

約数和(自身を含む): 39210288

約数和(自身を除く): 19168960

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 12161, 24322, 48644, 97288, 194576, 1252583, 2505166, 5010332, 10020664, 20041328]

約数ペア:

[(1, 20041328), (2, 10020664), (4, 5010332), (8, 2505166), (16, 1252583), (103, 194576), (206, 97288), (412, 48644), (824, 24322), (1648, 12161)]