20526121

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{2099}}^1$

素因数の和:2244

約数の個数: 16

約数和(自身を含む): 25804800

約数和(自身を除く): 5278679

約数列:

[1, 7, 11, 77, 127, 889, 1397, 2099, 9779, 14693, 23089, 161623, 266573, 1866011, 2932303, 20526121]

約数ペア:

[(1, 20526121), (7, 2932303), (11, 1866011), (77, 266573), (127, 161623), (889, 23089), (1397, 14693), (2099, 9779)]