20121664059

素因数分解:

$3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{812701}}^1$

素因数の和:812848

約数の個数: 32

約数和(自身を含む): 34328532480

約数和(自身を除く): 14206868421

約数列:

[1, 3, 7, 9, 21, 27, 63, 131, 189, 393, 917, 1179, 2751, 3537, 8253, 24759, 812701, 2438103, 5688907, 7314309, 17066721, 21942927, 51200163, 106463831, 153600489, 319391493, 745246817, 958174479, 2235740451, 2874523437, 6707221353, 20121664059]

約数ペア:

[(1, 20121664059), (3, 6707221353), (7, 2874523437), (9, 2235740451), (21, 958174479), (27, 745246817), (63, 319391493), (131, 153600489), (189, 106463831), (393, 51200163), (917, 21942927), (1179, 17066721), (2751, 7314309), (3537, 5688907), (8253, 2438103), (24759, 812701)]