20964770

素因数分解:

$2^1\times 5^1\times {\mathrm{337}}^1\times {\mathrm{6221}}^1$

素因数の和:6565

約数の個数: 16

約数和(自身を含む): 37854648

約数和(自身を除く): 16889878

約数列:

[1, 2, 5, 10, 337, 674, 1685, 3370, 6221, 12442, 31105, 62210, 2096477, 4192954, 10482385, 20964770]

約数ペア:

[(1, 20964770), (2, 10482385), (5, 4192954), (10, 2096477), (337, 62210), (674, 31105), (1685, 12442), (3370, 6221)]