20719023

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{1531}}^1$

素因数の和:1894

約数の個数: 16

約数和(自身を含む): 29855616

約数和(自身を除く): 9136593

約数列:

[1, 3, 13, 39, 347, 1041, 1531, 4511, 4593, 13533, 19903, 59709, 531257, 1593771, 6906341, 20719023]

約数ペア:

[(1, 20719023), (3, 6906341), (13, 1593771), (39, 531257), (347, 59709), (1041, 19903), (1531, 13533), (4511, 4593)]