20728157439

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1543}}^1\times {\mathrm{9467}}^1$

素因数の和:11067

約数の個数: 32

約数和(自身を含む): 30874466304

約数和(自身を除く): 10146308865

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 1543, 4629, 9467, 16973, 28401, 50919, 66349, 104137, 199047, 312411, 407081, 729839, 1221243, 2189517, 4477891, 13433673, 14607581, 43822743, 160683391, 482050173, 628125983, 1884377949, 6909385813, 20728157439]

約数ペア:

[(1, 20728157439), (3, 6909385813), (11, 1884377949), (33, 628125983), (43, 482050173), (129, 160683391), (473, 43822743), (1419, 14607581), (1543, 13433673), (4629, 4477891), (9467, 2189517), (16973, 1221243), (28401, 729839), (50919, 407081), (66349, 312411), (104137, 199047)]