20169890180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{91681319}}^1$

素因数の和:91681339

約数の個数: 24

約数和(自身を含む): 46207385280

約数和(自身を除く): 26037495100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 91681319, 183362638, 366725276, 458406595, 916813190, 1008494509, 1833626380, 2016989018, 4033978036, 5042472545, 10084945090, 20169890180]

約数ペア:

[(1, 20169890180), (2, 10084945090), (4, 5042472545), (5, 4033978036), (10, 2016989018), (11, 1833626380), (20, 1008494509), (22, 916813190), (44, 458406595), (55, 366725276), (110, 183362638), (220, 91681319)]