20815986

素因数分解:

$2^1\times 3^1\times {\mathrm{757}}^1\times {\mathrm{4583}}^1$

素因数の和:5345

約数の個数: 16

約数和(自身を含む): 41696064

約数和(自身を除く): 20880078

約数列:

[1, 2, 3, 6, 757, 1514, 2271, 4542, 4583, 9166, 13749, 27498, 3469331, 6938662, 10407993, 20815986]

約数ペア:

[(1, 20815986), (2, 10407993), (3, 6938662), (6, 3469331), (757, 27498), (1514, 13749), (2271, 9166), (4542, 4583)]