20807834866

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{444859}}^1$

素因数の和:445138

約数の個数: 32

約数和(自身を含む): 38564023680

約数和(自身を除く): 17756188814

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 257, 514, 1799, 3341, 3598, 6682, 23387, 46774, 444859, 889718, 3114013, 5783167, 6228026, 11566334, 40482169, 80964338, 114328763, 228657526, 800301341, 1486273919, 1600602682, 2972547838, 10403917433, 20807834866]

約数ペア:

[(1, 20807834866), (2, 10403917433), (7, 2972547838), (13, 1600602682), (14, 1486273919), (26, 800301341), (91, 228657526), (182, 114328763), (257, 80964338), (514, 40482169), (1799, 11566334), (3341, 6228026), (3598, 5783167), (6682, 3114013), (23387, 889718), (46774, 444859)]