20138157

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9059}}^1$

素因数の和:9097

約数の個数: 24

約数和(自身を含む): 32978400

約数和(自身を除く): 12840243

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 9059, 27177, 81531, 117767, 172121, 353301, 516363, 1059903, 1549089, 2237573, 6712719, 20138157]

約数ペア:

[(1, 20138157), (3, 6712719), (9, 2237573), (13, 1549089), (19, 1059903), (39, 516363), (57, 353301), (117, 172121), (171, 117767), (247, 81531), (741, 27177), (2223, 9059)]