20565039

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{313}}^1$

素因数の和:519

約数の個数: 24

約数和(自身を含む): 30402736

約数和(自身を除く): 9837697

約数列:

[1, 3, 11, 33, 121, 181, 313, 363, 543, 939, 1991, 3443, 5973, 10329, 21901, 37873, 56653, 65703, 113619, 169959, 623183, 1869549, 6855013, 20565039]

約数ペア:

[(1, 20565039), (3, 6855013), (11, 1869549), (33, 623183), (121, 169959), (181, 113619), (313, 65703), (363, 56653), (543, 37873), (939, 21901), (1991, 10329), (3443, 5973)]