20795995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{2089}}^1$

素因数の和:2286

約数の個数: 16

約数和(自身を含む): 27387360

約数和(自身を除く): 6591365

約数列:

[1, 5, 11, 55, 181, 905, 1991, 2089, 9955, 10445, 22979, 114895, 378109, 1890545, 4159199, 20795995]

約数ペア:

[(1, 20795995), (5, 4159199), (11, 1890545), (55, 378109), (181, 114895), (905, 22979), (1991, 10445), (2089, 9955)]