20012479543

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{4787}}^1$

素因数の和:4916

約数の個数: 48

約数和(自身を含む): 26103409920

約数和(自身を除く): 6090930377

約数列:

[1, 7, 17, 19, 43, 119, 133, 301, 323, 731, 817, 1849, 2261, 4787, 5117, 5719, 12943, 13889, 31433, 33509, 35131, 81379, 90953, 97223, 205841, 220031, 245917, 569653, 597227, 636671, 1440887, 1546201, 3499297, 3910979, 4180589, 8851163, 10823407, 24495079, 27376853, 61958141, 66486643, 150469771, 168172097, 465406501, 1053288397, 1177204679, 2858925649, 20012479543]

約数ペア:

[(1, 20012479543), (7, 2858925649), (17, 1177204679), (19, 1053288397), (43, 465406501), (119, 168172097), (133, 150469771), (301, 66486643), (323, 61958141), (731, 27376853), (817, 24495079), (1849, 10823407), (2261, 8851163), (4787, 4180589), (5117, 3910979), (5719, 3499297), (12943, 1546201), (13889, 1440887), (31433, 636671), (33509, 597227), (35131, 569653), (81379, 245917), (90953, 220031), (97223, 205841)]