20425785

素因数分解:

$3^1\times 5^1\times {\mathrm{617}}^1\times {\mathrm{2207}}^1$

素因数の和:2832

約数の個数: 16

約数和(自身を含む): 32749056

約数和(自身を除く): 12323271

約数列:

[1, 3, 5, 15, 617, 1851, 2207, 3085, 6621, 9255, 11035, 33105, 1361719, 4085157, 6808595, 20425785]

約数ペア:

[(1, 20425785), (3, 6808595), (5, 4085157), (15, 1361719), (617, 33105), (1851, 11035), (2207, 9255), (3085, 6621)]