16620786687

素因数分解:

$3^1\times {\mathrm{37}}^2\times {\mathrm{4046941}}^1$

素因数の和:4047018

約数の個数: 12

約数和(自身を含む): 22776189576

約数和(自身を除く): 6155402889

約数列:

[1, 3, 37, 111, 1369, 4107, 4046941, 12140823, 149736817, 449210451, 5540262229, 16620786687]

約数ペア:

[(1, 16620786687), (3, 5540262229), (37, 449210451), (111, 149736817), (1369, 12140823), (4107, 4046941)]