20008538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{2053}}^1$

素因数の和:2509

約数の個数: 16

約数和(自身を含む): 32831136

約数和(自身を除く): 12822598

約数列:

[1, 2, 11, 22, 443, 886, 2053, 4106, 4873, 9746, 22583, 45166, 909479, 1818958, 10004269, 20008538]

約数ペア:

[(1, 20008538), (2, 10004269), (11, 1818958), (22, 909479), (443, 45166), (886, 22583), (2053, 9746), (4106, 4873)]