20584767

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{9161}}^1$

素因数の和:9278

約数の個数: 16

約数和(自身を含む): 31663872

約数和(自身を除く): 11079105

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 9161, 27483, 64127, 192381, 980227, 2940681, 6861589, 20584767]

約数ペア:

[(1, 20584767), (3, 6861589), (7, 2940681), (21, 980227), (107, 192381), (321, 64127), (749, 27483), (2247, 9161)]