20237399585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{135899}}^1$

素因数の和:136025

約数の個数: 32

約数和(自身を含む): 27397440000

約数和(自身を除く): 7160040415

約数列:

[1, 5, 13, 29, 65, 79, 145, 377, 395, 1027, 1885, 2291, 5135, 11455, 29783, 135899, 148915, 679495, 1766687, 3941071, 8833435, 10736021, 19705355, 51233923, 53680105, 139568273, 256169615, 311344609, 697841365, 1556723045, 4047479917, 20237399585]

約数ペア:

[(1, 20237399585), (5, 4047479917), (13, 1556723045), (29, 697841365), (65, 311344609), (79, 256169615), (145, 139568273), (377, 53680105), (395, 51233923), (1027, 19705355), (1885, 10736021), (2291, 8833435), (5135, 3941071), (11455, 1766687), (29783, 679495), (135899, 148915)]