20192755

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5171}}^1$

素因数の和:5258

約数の個数: 16

約数和(自身を含む): 26811648

約数和(自身を除く): 6618893

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 5171, 25855, 56881, 284405, 367141, 1835705, 4038551, 20192755]

約数ペア:

[(1, 20192755), (5, 4038551), (11, 1835705), (55, 367141), (71, 284405), (355, 56881), (781, 25855), (3905, 5171)]