20425138

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{1733}}^1$

素因数の和:1889

約数の個数: 16

約数和(自身を含む): 31461696

約数和(自身を除く): 11036558

約数列:

[1, 2, 71, 83, 142, 166, 1733, 3466, 5893, 11786, 123043, 143839, 246086, 287678, 10212569, 20425138]

約数ペア:

[(1, 20425138), (2, 10212569), (71, 287678), (83, 246086), (142, 143839), (166, 123043), (1733, 11786), (3466, 5893)]