20512587

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{2111}}^1$

素因数の和:2234

約数の個数: 16

約数和(自身を含む): 28385280

約数和(自身を除く): 7872693

約数列:

[1, 3, 41, 79, 123, 237, 2111, 3239, 6333, 9717, 86551, 166769, 259653, 500307, 6837529, 20512587]

約数ペア:

[(1, 20512587), (3, 6837529), (41, 500307), (79, 259653), (123, 166769), (237, 86551), (2111, 9717), (3239, 6333)]