20604031

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:802

約数の個数: 16

約数和(自身を含む): 24298048

約数和(自身を除く): 3694017

約数列:

[1, 7, 61, 73, 427, 511, 661, 4453, 4627, 31171, 40321, 48253, 282247, 337771, 2943433, 20604031]

約数ペア:

[(1, 20604031), (7, 2943433), (61, 337771), (73, 282247), (427, 48253), (511, 40321), (661, 31171), (4453, 4627)]