20802067

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 26611200

約数和(自身を除く): 5809133

約数列:

[1, 11, 13, 17, 43, 143, 187, 199, 221, 473, 559, 731, 2189, 2431, 2587, 3383, 6149, 8041, 8557, 9503, 28457, 37213, 43979, 94127, 104533, 111241, 145469, 483769, 1223651, 1600159, 1891097, 20802067]

約数ペア:

[(1, 20802067), (11, 1891097), (13, 1600159), (17, 1223651), (43, 483769), (143, 145469), (187, 111241), (199, 104533), (221, 94127), (473, 43979), (559, 37213), (731, 28457), (2189, 9503), (2431, 8557), (2587, 8041), (3383, 6149)]