20729657

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:728

約数の個数: 16

約数和(自身を含む): 23288832

約数和(自身を除く): 2559175

約数列:

[1, 13, 37, 71, 481, 607, 923, 2627, 7891, 22459, 34151, 43097, 291967, 560261, 1594589, 20729657]

約数ペア:

[(1, 20729657), (13, 1594589), (37, 560261), (71, 291967), (481, 43097), (607, 34151), (923, 22459), (2627, 7891)]