20126187

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3181}}^1$

素因数の和:3243

約数の個数: 24

約数和(自身を含む): 31438160

約数和(自身を除く): 11311973

約数列:

[1, 3, 9, 19, 37, 57, 111, 171, 333, 703, 2109, 3181, 6327, 9543, 28629, 60439, 117697, 181317, 353091, 543951, 1059273, 2236243, 6708729, 20126187]

約数ペア:

[(1, 20126187), (3, 6708729), (9, 2236243), (19, 1059273), (37, 543951), (57, 353091), (111, 181317), (171, 117697), (333, 60439), (703, 28629), (2109, 9543), (3181, 6327)]