20201472009

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{613}}^1\times {\mathrm{2927}}^1$

素因数の和:3691

約数の個数: 40

約数和(自身を含む): 30454596480

約数和(自身を除く): 10253124471

約数列:

[1, 3, 9, 27, 81, 139, 417, 613, 1251, 1839, 2927, 3753, 5517, 8781, 11259, 16551, 26343, 49653, 79029, 85207, 237087, 255621, 406853, 766863, 1220559, 1794251, 2300589, 3661677, 5382753, 6901767, 10985031, 16148259, 32955093, 48444777, 145334331, 249400889, 748202667, 2244608001, 6733824003, 20201472009]

約数ペア:

[(1, 20201472009), (3, 6733824003), (9, 2244608001), (27, 748202667), (81, 249400889), (139, 145334331), (417, 48444777), (613, 32955093), (1251, 16148259), (1839, 10985031), (2927, 6901767), (3753, 5382753), (5517, 3661677), (8781, 2300589), (11259, 1794251), (16551, 1220559), (26343, 766863), (49653, 406853), (79029, 255621), (85207, 237087)]