20071908983

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{821}}^1\times {\mathrm{81223}}^1$

素因数の和:82094

約数の個数: 16

約数和(自身を含む): 23501677056

約数和(自身を除く): 3429768073

約数列:

[1, 7, 43, 301, 821, 5747, 35303, 81223, 247121, 568561, 3492589, 24448123, 66684083, 466788581, 2867415569, 20071908983]

約数ペア:

[(1, 20071908983), (7, 2867415569), (43, 466788581), (301, 66684083), (821, 24448123), (5747, 3492589), (35303, 568561), (81223, 247121)]