20239965

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5419}}^1$

素因数の和:5513

約数の個数: 24

約数和(自身を含む): 35511840

約数和(自身を除く): 15271875

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 5419, 16257, 27095, 48771, 81285, 243855, 449777, 1349331, 2248885, 4047993, 6746655, 20239965]

約数ペア:

[(1, 20239965), (3, 6746655), (5, 4047993), (9, 2248885), (15, 1349331), (45, 449777), (83, 243855), (249, 81285), (415, 48771), (747, 27095), (1245, 16257), (3735, 5419)]