20158418

素因数分解:

$2^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{4079}}^1$

素因数の和:4441

約数の個数: 16

約数和(自身を含む): 34663680

約数和(自身を除く): 14505262

約数列:

[1, 2, 7, 14, 353, 706, 2471, 4079, 4942, 8158, 28553, 57106, 1439887, 2879774, 10079209, 20158418]

約数ペア:

[(1, 20158418), (2, 10079209), (7, 2879774), (14, 1439887), (353, 57106), (706, 28553), (2471, 8158), (4079, 4942)]