20384751

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{1277}}^1$

素因数の和:1610

約数の個数: 16

約数和(自身を含む): 28893024

約数和(自身を除く): 8508273

約数列:

[1, 3, 17, 51, 313, 939, 1277, 3831, 5321, 15963, 21709, 65127, 399701, 1199103, 6794917, 20384751]

約数ペア:

[(1, 20384751), (3, 6794917), (17, 1199103), (51, 399701), (313, 65127), (939, 21709), (1277, 15963), (3831, 5321)]