20380239

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5021}}^1$

素因数の和:5079

約数の個数: 24

約数和(自身を含む): 32904144

約数和(自身を除く): 12523905

約数列:

[1, 3, 9, 11, 33, 41, 99, 123, 369, 451, 1353, 4059, 5021, 15063, 45189, 55231, 165693, 205861, 497079, 617583, 1852749, 2264471, 6793413, 20380239]

約数ペア:

[(1, 20380239), (3, 6793413), (9, 2264471), (11, 1852749), (33, 617583), (41, 497079), (99, 205861), (123, 165693), (369, 55231), (451, 45189), (1353, 15063), (4059, 5021)]