20512172361

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{353}}^1\times {\mathrm{3257}}^1$

素因数の和:3945

約数の個数: 32

約数和(自身を含む): 28971699840

約数和(自身を除く): 8459527479

約数列:

[1, 3, 19, 57, 313, 353, 939, 1059, 3257, 5947, 6707, 9771, 17841, 20121, 61883, 110489, 185649, 331467, 1019441, 1149721, 2099291, 3058323, 3449163, 6297873, 19369379, 21844699, 58108137, 65534097, 359862673, 1079588019, 6837390787, 20512172361]

約数ペア:

[(1, 20512172361), (3, 6837390787), (19, 1079588019), (57, 359862673), (313, 65534097), (353, 58108137), (939, 21844699), (1059, 19369379), (3257, 6297873), (5947, 3449163), (6707, 3058323), (9771, 2099291), (17841, 1149721), (20121, 1019441), (61883, 331467), (110489, 185649)]