20367939

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{3851}}^1$

素因数の和:3938

約数の個数: 16

約数和(自身を含む): 28473984

約数和(自身を除く): 8106045

約数列:

[1, 3, 41, 43, 123, 129, 1763, 3851, 5289, 11553, 157891, 165593, 473673, 496779, 6789313, 20367939]

約数ペア:

[(1, 20367939), (3, 6789313), (41, 496779), (43, 473673), (123, 165593), (129, 157891), (1763, 11553), (3851, 5289)]