20087397

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{613}}^1$

素因数の和:961

約数の個数: 24

約数和(自身を含む): 31800288

約数和(自身を除く): 11712891

約数列:

[1, 3, 9, 11, 33, 99, 331, 613, 993, 1839, 2979, 3641, 5517, 6743, 10923, 20229, 32769, 60687, 202903, 608709, 1826127, 2231933, 6695799, 20087397]

約数ペア:

[(1, 20087397), (3, 6695799), (9, 2231933), (11, 1826127), (33, 608709), (99, 202903), (331, 60687), (613, 32769), (993, 20229), (1839, 10923), (2979, 6743), (3641, 5517)]