20701205

素因数分解:

$5^1\times 7^1\times {\mathrm{461}}^1\times {\mathrm{1283}}^1$

素因数の和:1756

約数の個数: 16

約数和(自身を含む): 28473984

約数和(自身を除く): 7772779

約数列:

[1, 5, 7, 35, 461, 1283, 2305, 3227, 6415, 8981, 16135, 44905, 591463, 2957315, 4140241, 20701205]

約数ペア:

[(1, 20701205), (5, 4140241), (7, 2957315), (35, 591463), (461, 44905), (1283, 16135), (2305, 8981), (3227, 6415)]