20011245

素因数分解:

$3^1\times 5^1\times {\mathrm{823}}^1\times {\mathrm{1621}}^1$

素因数の和:2452

約数の個数: 16

約数和(自身を含む): 32076672

約数和(自身を除く): 12065427

約数列:

[1, 3, 5, 15, 823, 1621, 2469, 4115, 4863, 8105, 12345, 24315, 1334083, 4002249, 6670415, 20011245]

約数ペア:

[(1, 20011245), (3, 6670415), (5, 4002249), (15, 1334083), (823, 24315), (1621, 12345), (2469, 8105), (4115, 4863)]