20661678

素因数分解:

$2^1\times 3^2\times {\mathrm{709}}^1\times {\mathrm{1619}}^1$

素因数の和:2336

約数の個数: 24

約数和(自身を含む): 44857800

約数和(自身を除く): 24196122

約数列:

[1, 2, 3, 6, 9, 18, 709, 1418, 1619, 2127, 3238, 4254, 4857, 6381, 9714, 12762, 14571, 29142, 1147871, 2295742, 3443613, 6887226, 10330839, 20661678]

約数ペア:

[(1, 20661678), (2, 10330839), (3, 6887226), (6, 3443613), (9, 2295742), (18, 1147871), (709, 29142), (1418, 14571), (1619, 12762), (2127, 9714), (3238, 6381), (4254, 4857)]