20812833

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{62501}}^1$

素因数の和:62544

約数の個数: 12

約数和(自身を含む): 30875988

約数和(自身を除く): 10063155

約数列:

[1, 3, 9, 37, 111, 333, 62501, 187503, 562509, 2312537, 6937611, 20812833]

約数ペア:

[(1, 20812833), (3, 6937611), (9, 2312537), (37, 562509), (111, 187503), (333, 62501)]