20182040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21937}}^1$

素因数の和:21971

約数の個数: 32

約数和(自身を含む): 47386080

約数和(自身を除く): 27204040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 21937, 43874, 87748, 109685, 175496, 219370, 438740, 504551, 877480, 1009102, 2018204, 2522755, 4036408, 5045510, 10091020, 20182040]

約数ペア:

[(1, 20182040), (2, 10091020), (4, 5045510), (5, 4036408), (8, 2522755), (10, 2018204), (20, 1009102), (23, 877480), (40, 504551), (46, 438740), (92, 219370), (115, 175496), (184, 109685), (230, 87748), (460, 43874), (920, 21937)]