20834810

素因数分解:

$2^1\times 5^1\times {\mathrm{1069}}^1\times {\mathrm{1949}}^1$

素因数の和:3025

約数の個数: 16

約数和(自身を含む): 37557000

約数和(自身を除く): 16722190

約数列:

[1, 2, 5, 10, 1069, 1949, 2138, 3898, 5345, 9745, 10690, 19490, 2083481, 4166962, 10417405, 20834810]

約数ペア:

[(1, 20834810), (2, 10417405), (5, 4166962), (10, 2083481), (1069, 19490), (1949, 10690), (2138, 9745), (3898, 5345)]