20199789785

素因数分解:

$5^1\times 7^1\times {\mathrm{5791}}^1\times {\mathrm{99661}}^1$

素因数の和:105464

約数の個数: 16

約数和(自身を含む): 27707630592

約数和(自身を除く): 7507840807

約数列:

[1, 5, 7, 35, 5791, 28955, 40537, 99661, 202685, 498305, 697627, 3488135, 577136851, 2885684255, 4039957957, 20199789785]

約数ペア:

[(1, 20199789785), (5, 4039957957), (7, 2885684255), (35, 577136851), (5791, 3488135), (28955, 697627), (40537, 498305), (99661, 202685)]