20714665

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1249}}^1$

素因数の和:1392

約数の個数: 16

約数和(自身を含む): 25920000

約数和(自身を除く): 5205335

約数列:

[1, 5, 31, 107, 155, 535, 1249, 3317, 6245, 16585, 38719, 133643, 193595, 668215, 4142933, 20714665]

約数ペア:

[(1, 20714665), (5, 4142933), (31, 668215), (107, 193595), (155, 133643), (535, 38719), (1249, 16585), (3317, 6245)]