20804948312

素因数分解:

$2^3\times {\mathrm{4019}}^1\times {\mathrm{647081}}^1$

素因数の和:651106

約数の個数: 16

約数和(自身を含む): 39019044600

約数和(自身を除く): 18214096288

約数列:

[1, 2, 4, 8, 4019, 8038, 16076, 32152, 647081, 1294162, 2588324, 5176648, 2600618539, 5201237078, 10402474156, 20804948312]

約数ペア:

[(1, 20804948312), (2, 10402474156), (4, 5201237078), (8, 2600618539), (4019, 5176648), (8038, 2588324), (16076, 1294162), (32152, 647081)]