20780051045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1061}}^1\times {\mathrm{5107}}^1$

素因数の和:6245

約数の個数: 32

約数和(自身を含む): 27340467840

約数和(自身を除く): 6560416795

約数列:

[1, 5, 13, 59, 65, 295, 767, 1061, 3835, 5107, 5305, 13793, 25535, 62599, 66391, 68965, 301313, 312995, 331955, 813787, 1506565, 3917069, 4068935, 5418527, 19585345, 27092635, 70440851, 319693093, 352204255, 1598465465, 4156010209, 20780051045]

約数ペア:

[(1, 20780051045), (5, 4156010209), (13, 1598465465), (59, 352204255), (65, 319693093), (295, 70440851), (767, 27092635), (1061, 19585345), (3835, 5418527), (5107, 4068935), (5305, 3917069), (13793, 1506565), (25535, 813787), (62599, 331955), (66391, 312995), (68965, 301313)]