20518236

素因数分解:

$2^2\times 3^2\times {\mathrm{367}}^1\times {\mathrm{1553}}^1$

素因数の和:1930

約数の個数: 36

約数和(自身を含む): 52040352

約数和(自身を除く): 31522116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 367, 734, 1101, 1468, 1553, 2202, 3106, 3303, 4404, 4659, 6212, 6606, 9318, 13212, 13977, 18636, 27954, 55908, 569951, 1139902, 1709853, 2279804, 3419706, 5129559, 6839412, 10259118, 20518236]

約数ペア:

[(1, 20518236), (2, 10259118), (3, 6839412), (4, 5129559), (6, 3419706), (9, 2279804), (12, 1709853), (18, 1139902), (36, 569951), (367, 55908), (734, 27954), (1101, 18636), (1468, 13977), (1553, 13212), (2202, 9318), (3106, 6606), (3303, 6212), (4404, 4659)]