20591065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5273}}^1$

素因数の和:5360

約数の個数: 16

約数和(自身を含む): 27340416

約数和(自身を除く): 6749351

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 5273, 26365, 58003, 290015, 374383, 1871915, 4118213, 20591065]

約数ペア:

[(1, 20591065), (5, 4118213), (11, 1871915), (55, 374383), (71, 290015), (355, 58003), (781, 26365), (3905, 5273)]