20790054035

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{337}}^1\times {\mathrm{863}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 27470866176

約数和(自身を除く): 6680812141

約数列:

[1, 5, 17, 29, 85, 145, 337, 493, 841, 863, 1685, 2465, 4205, 4315, 5729, 9773, 14297, 14671, 25027, 28645, 48865, 71485, 73355, 125135, 166141, 283417, 290831, 425459, 725783, 830705, 1417085, 1454155, 2127295, 3628915, 4818089, 4944127, 8434099, 12338311, 24090445, 24720635, 42170495, 61691555, 143379683, 244588871, 716898415, 1222944355, 4158010807, 20790054035]

約数ペア:

[(1, 20790054035), (5, 4158010807), (17, 1222944355), (29, 716898415), (85, 244588871), (145, 143379683), (337, 61691555), (493, 42170495), (841, 24720635), (863, 24090445), (1685, 12338311), (2465, 8434099), (4205, 4944127), (4315, 4818089), (5729, 3628915), (9773, 2127295), (14297, 1454155), (14671, 1417085), (25027, 830705), (28645, 725783), (48865, 425459), (71485, 290831), (73355, 283417), (125135, 166141)]