20178698897

素因数分解:

$7^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1\times {\mathrm{120811}}^1$

素因数の和:121148

約数の個数: 16

約数和(自身を含む): 23381471232

約数和(自身を除く): 3202772335

約数列:

[1, 7, 107, 223, 749, 1561, 23861, 120811, 167027, 845677, 12926777, 26940853, 90487439, 188585971, 2882671271, 20178698897]

約数ペア:

[(1, 20178698897), (7, 2882671271), (107, 188585971), (223, 90487439), (749, 26940853), (1561, 12926777), (23861, 845677), (120811, 167027)]