20734569

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 32405760

約数和(自身を除く): 11671191

約数列:

[1, 3, 9, 23, 27, 69, 173, 193, 207, 519, 579, 621, 1557, 1737, 3979, 4439, 4671, 5211, 11937, 13317, 33389, 35811, 39951, 100167, 107433, 119853, 300501, 767947, 901503, 2303841, 6911523, 20734569]

約数ペア:

[(1, 20734569), (3, 6911523), (9, 2303841), (23, 901503), (27, 767947), (69, 300501), (173, 119853), (193, 107433), (207, 100167), (519, 39951), (579, 35811), (621, 33389), (1557, 13317), (1737, 11937), (3979, 5211), (4439, 4671)]