20180990164

素因数分解:

$2^2\times {\mathrm{641}}^1\times {\mathrm{1453}}^1\times {\mathrm{5417}}^1$

素因数の和:7515

約数の個数: 24

約数和(自身を含む): 35402707368

約数和(自身を除く): 15221717204

約数列:

[1, 2, 4, 641, 1282, 1453, 2564, 2906, 5417, 5812, 10834, 21668, 931373, 1862746, 3472297, 3725492, 6944594, 7870901, 13889188, 15741802, 31483604, 5045247541, 10090495082, 20180990164]

約数ペア:

[(1, 20180990164), (2, 10090495082), (4, 5045247541), (641, 31483604), (1282, 15741802), (1453, 13889188), (2564, 7870901), (2906, 6944594), (5417, 3725492), (5812, 3472297), (10834, 1862746), (21668, 931373)]