20838627

素因数分解:

$3^4\times {\mathrm{367}}^1\times {\mathrm{701}}^1$

素因数の和:1080

約数の個数: 20

約数和(自身を含む): 31258656

約数和(自身を除く): 10420029

約数列:

[1, 3, 9, 27, 81, 367, 701, 1101, 2103, 3303, 6309, 9909, 18927, 29727, 56781, 257267, 771801, 2315403, 6946209, 20838627]

約数ペア:

[(1, 20838627), (3, 6946209), (9, 2315403), (27, 771801), (81, 257267), (367, 56781), (701, 29727), (1101, 18927), (2103, 9909), (3303, 6309)]