20765590

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{19051}}^1$

素因数の和:19167

約数の個数: 16

約数和(自身を含む): 37722960

約数和(自身を除く): 16957370

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 19051, 38102, 95255, 190510, 2076559, 4153118, 10382795, 20765590]

約数ペア:

[(1, 20765590), (2, 10382795), (5, 4153118), (10, 2076559), (109, 190510), (218, 95255), (545, 38102), (1090, 19051)]