20170887

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8609}}^1$

素因数の和:8694

約数の個数: 16

約数和(自身を含む): 29756160

約数和(自身を除く): 9585273

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 8609, 25827, 94699, 284097, 611239, 1833717, 6723629, 20170887]

約数ペア:

[(1, 20170887), (3, 6723629), (11, 1833717), (33, 611239), (71, 284097), (213, 94699), (781, 25827), (2343, 8609)]