20764484

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{2069}}^1$

素因数の和:2279

約数の個数: 24

約数和(自身を含む): 39354840

約数和(自身を除く): 18590356

約数列:

[1, 2, 4, 13, 26, 52, 193, 386, 772, 2069, 2509, 4138, 5018, 8276, 10036, 26897, 53794, 107588, 399317, 798634, 1597268, 5191121, 10382242, 20764484]

約数ペア:

[(1, 20764484), (2, 10382242), (4, 5191121), (13, 1597268), (26, 798634), (52, 399317), (193, 107588), (386, 53794), (772, 26897), (2069, 10036), (2509, 8276), (4138, 5018)]