20565985132017

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{489631339}}^1$

素因数の和:489631717

約数の個数: 24

約数和(自身を含む): 32080645396800

約数和(自身を除く): 11514660264783

約数列:

[1, 3, 9, 13, 39, 117, 359, 1077, 3231, 4667, 14001, 42003, 489631339, 1468894017, 4406682051, 6365207407, 19095622221, 57286866663, 175777650701, 527332952103, 1581998856309, 2285109459113, 6855328377339, 20565985132017]

約数ペア:

[(1, 20565985132017), (3, 6855328377339), (9, 2285109459113), (13, 1581998856309), (39, 527332952103), (117, 175777650701), (359, 57286866663), (1077, 19095622221), (3231, 6365207407), (4667, 4406682051), (14001, 1468894017), (42003, 489631339)]