20091814

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{4451}}^1$

素因数の和:4551

約数の個数: 16

約数和(自身を含む): 31466736

約数和(自身を除く): 11374922

約数列:

[1, 2, 37, 61, 74, 122, 2257, 4451, 4514, 8902, 164687, 271511, 329374, 543022, 10045907, 20091814]

約数ペア:

[(1, 20091814), (2, 10045907), (37, 543022), (61, 329374), (74, 271511), (122, 164687), (2257, 8902), (4451, 4514)]