20878026

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{267667}}^1$

素因数の和:267685

約数の個数: 16

約数和(自身を含む): 44968224

約数和(自身を除く): 24090198

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 267667, 535334, 803001, 1606002, 3479671, 6959342, 10439013, 20878026]

約数ペア:

[(1, 20878026), (2, 10439013), (3, 6959342), (6, 3479671), (13, 1606002), (26, 803001), (39, 535334), (78, 267667)]