20256939

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{10567}}^1$

素因数の和:10647

約数の個数: 16

約数和(自身を含む): 30435840

約数和(自身を除く): 10178901

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 10567, 31701, 95103, 285309, 750257, 2250771, 6752313, 20256939]

約数ペア:

[(1, 20256939), (3, 6752313), (9, 2250771), (27, 750257), (71, 285309), (213, 95103), (639, 31701), (1917, 10567)]