20056828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{19819}}^1$

素因数の和:19857

約数の個数: 24

約数和(自身を含む): 39957120

約数和(自身を除く): 19900292

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 19819, 39638, 79276, 218009, 436018, 455837, 872036, 911674, 1823348, 5014207, 10028414, 20056828]

約数ペア:

[(1, 20056828), (2, 10028414), (4, 5014207), (11, 1823348), (22, 911674), (23, 872036), (44, 455837), (46, 436018), (92, 218009), (253, 79276), (506, 39638), (1012, 19819)]