20749234

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{2129}}^1$

素因数の和:2585

約数の個数: 16

約数和(自身を含む): 34045920

約数和(自身を除く): 13296686

約数列:

[1, 2, 11, 22, 443, 886, 2129, 4258, 4873, 9746, 23419, 46838, 943147, 1886294, 10374617, 20749234]

約数ペア:

[(1, 20749234), (2, 10374617), (11, 1886294), (22, 943147), (443, 46838), (886, 23419), (2129, 9746), (4258, 4873)]