20799254

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{40153}}^1$

素因数の和:40199

約数の個数: 16

約数和(自身を含む): 36620448

約数和(自身を除く): 15821194

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 40153, 80306, 281071, 562142, 1485661, 2971322, 10399627, 20799254]

約数ペア:

[(1, 20799254), (2, 10399627), (7, 2971322), (14, 1485661), (37, 562142), (74, 281071), (259, 80306), (518, 40153)]