20784953

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{347}}^1$

素因数の和:596

約数の個数: 16

約数和(自身を含む): 24499200

約数和(自身を除く): 3714247

約数列:

[1, 7, 43, 199, 301, 347, 1393, 2429, 8557, 14921, 59899, 69053, 104447, 483371, 2969279, 20784953]

約数ペア:

[(1, 20784953), (7, 2969279), (43, 483371), (199, 104447), (301, 69053), (347, 59899), (1393, 14921), (2429, 8557)]