20656811

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{467}}^1$

素因数の和:634

約数の個数: 16

約数和(自身を含む): 24261120

約数和(自身を除く): 3604309

約数列:

[1, 7, 71, 89, 467, 497, 623, 3269, 6319, 33157, 41563, 44233, 232099, 290941, 2950973, 20656811]

約数ペア:

[(1, 20656811), (7, 2950973), (71, 290941), (89, 232099), (467, 44233), (497, 41563), (623, 33157), (3269, 6319)]