20766009

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8863}}^1$

素因数の和:8948

約数の個数: 16

約数和(自身を含む): 30633984

約数和(自身を除く): 9867975

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 8863, 26589, 97493, 292479, 629273, 1887819, 6922003, 20766009]

約数ペア:

[(1, 20766009), (3, 6922003), (11, 1887819), (33, 629273), (71, 292479), (213, 97493), (781, 26589), (2343, 8863)]