20479755

素因数分解:

$3^1\times 5^1\times {\mathrm{683}}^1\times {\mathrm{1999}}^1$

素因数の和:2690

約数の個数: 16

約数和(自身を含む): 32832000

約数和(自身を除く): 12352245

約数列:

[1, 3, 5, 15, 683, 1999, 2049, 3415, 5997, 9995, 10245, 29985, 1365317, 4095951, 6826585, 20479755]

約数ペア:

[(1, 20479755), (3, 6826585), (5, 4095951), (15, 1365317), (683, 29985), (1999, 10245), (2049, 9995), (3415, 5997)]