20888970557

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12081533}}^1$

素因数の和:12081572

約数の個数: 16

約数和(自身を含む): 27062636160

約数和(自身を除く): 6173665603

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 12081533, 84570731, 157059929, 229549127, 1099419503, 1606843889, 2984138651, 20888970557]

約数ペア:

[(1, 20888970557), (7, 2984138651), (13, 1606843889), (19, 1099419503), (91, 229549127), (133, 157059929), (247, 84570731), (1729, 12081533)]