20869953

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7537}}^1$

素因数の和:7624

約数の個数: 16

約数和(自身を含む): 30393216

約数和(自身を除く): 9523263

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 7537, 22611, 97981, 293943, 535127, 1605381, 6956651, 20869953]

約数ペア:

[(1, 20869953), (3, 6956651), (13, 1605381), (39, 535127), (71, 293943), (213, 97981), (923, 22611), (2769, 7537)]