20691297

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{7207}}^1$

素因数の和:7253

約数の個数: 24

約数和(自身を含む): 33733440

約数和(自身を除く): 13042143

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 2871, 7207, 21621, 64863, 79277, 209003, 237831, 627009, 713493, 1881027, 2299033, 6897099, 20691297]

約数ペア:

[(1, 20691297), (3, 6897099), (9, 2299033), (11, 1881027), (29, 713493), (33, 627009), (87, 237831), (99, 209003), (261, 79277), (319, 64863), (957, 21621), (2871, 7207)]