20659620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{344327}}^1$

素因数の和:344339

約数の個数: 24

約数和(自身を含む): 57847104

約数和(自身を除く): 37187484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 344327, 688654, 1032981, 1377308, 1721635, 2065962, 3443270, 4131924, 5164905, 6886540, 10329810, 20659620]

約数ペア:

[(1, 20659620), (2, 10329810), (3, 6886540), (4, 5164905), (5, 4131924), (6, 3443270), (10, 2065962), (12, 1721635), (15, 1377308), (20, 1032981), (30, 688654), (60, 344327)]