20139587973

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{52040279}}^1$

素因数の和:52040328

約数の個数: 12

約数和(自身を含む): 29767040160

約数和(自身を除く): 9627452187

約数列:

[1, 3, 9, 43, 129, 387, 52040279, 156120837, 468362511, 2237731997, 6713195991, 20139587973]

約数ペア:

[(1, 20139587973), (3, 6713195991), (9, 2237731997), (43, 468362511), (129, 156120837), (387, 52040279)]