13213808

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{20143}}^1$

素因数の和:20192

約数の個数: 20

約数和(自身を含む): 26227488

約数和(自身を除く): 13013680

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 20143, 40286, 80572, 161144, 322288, 825863, 1651726, 3303452, 6606904, 13213808]

約数ペア:

[(1, 13213808), (2, 6606904), (4, 3303452), (8, 1651726), (16, 825863), (41, 322288), (82, 161144), (164, 80572), (328, 40286), (656, 20143)]