20403721773

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{3203}}^1\times {\mathrm{3323}}^1$

素因数の和:6606

約数の個数: 32

約数和(自身を含む): 30672276480

約数和(自身を除く): 10268554707

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 3203, 3323, 9609, 9969, 28827, 29907, 86481, 89721, 227413, 235933, 682239, 707799, 2046717, 2123397, 6140151, 6370191, 10643569, 31930707, 95792121, 287376363, 755693399, 2267080197, 6801240591, 20403721773]

約数ペア:

[(1, 20403721773), (3, 6801240591), (9, 2267080197), (27, 755693399), (71, 287376363), (213, 95792121), (639, 31930707), (1917, 10643569), (3203, 6370191), (3323, 6140151), (9609, 2123397), (9969, 2046717), (28827, 707799), (29907, 682239), (86481, 235933), (89721, 227413)]