20455432839

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{263089}}^1$

素因数の和:263311

約数の個数: 24

約数和(自身を含む): 30289025520

約数和(自身を除く): 9833592681

約数列:

[1, 3, 9, 53, 159, 163, 477, 489, 1467, 8639, 25917, 77751, 263089, 789267, 2367801, 13943717, 41831151, 42883507, 125493453, 128650521, 385951563, 2272825871, 6818477613, 20455432839]

約数ペア:

[(1, 20455432839), (3, 6818477613), (9, 2272825871), (53, 385951563), (159, 128650521), (163, 125493453), (477, 42883507), (489, 41831151), (1467, 13943717), (8639, 2367801), (25917, 789267), (77751, 263089)]