20433778

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{1999}}^1$

素因数の和:2289

約数の個数: 16

約数和(自身を含む): 32400000

約数和(自身を除く): 11966222

約数列:

[1, 2, 19, 38, 269, 538, 1999, 3998, 5111, 10222, 37981, 75962, 537731, 1075462, 10216889, 20433778]

約数ペア:

[(1, 20433778), (2, 10216889), (19, 1075462), (38, 537731), (269, 75962), (538, 37981), (1999, 10222), (3998, 5111)]