20560498063

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1231}}^1\times {\mathrm{4051}}^1$

素因数の和:5339

約数の個数: 32

約数和(自身を含む): 25559367680

約数和(自身を除く): 4998869617

約数列:

[1, 7, 19, 31, 133, 217, 589, 1231, 4051, 4123, 8617, 23389, 28357, 38161, 76969, 125581, 163723, 267127, 538783, 725059, 879067, 2386039, 4986781, 5075413, 16702273, 34907467, 94748839, 154590211, 663241873, 1082131477, 2937214009, 20560498063]

約数ペア:

[(1, 20560498063), (7, 2937214009), (19, 1082131477), (31, 663241873), (133, 154590211), (217, 94748839), (589, 34907467), (1231, 16702273), (4051, 5075413), (4123, 4986781), (8617, 2386039), (23389, 879067), (28357, 725059), (38161, 538783), (76969, 267127), (125581, 163723)]