20439718

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{839}}^1\times {\mathrm{937}}^1$

素因数の和:1791

約数の個数: 16

約数和(自身を含む): 33092640

約数和(自身を除く): 12652922

約数列:

[1, 2, 13, 26, 839, 937, 1678, 1874, 10907, 12181, 21814, 24362, 786143, 1572286, 10219859, 20439718]

約数ペア:

[(1, 20439718), (2, 10219859), (13, 1572286), (26, 786143), (839, 24362), (937, 21814), (1678, 12181), (1874, 10907)]