20512385155

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{16607}}^1$

素因数の和:16803

約数の個数: 32

約数和(自身を含む): 25828761600

約数和(自身を除く): 5316376445

約数列:

[1, 5, 53, 59, 79, 265, 295, 395, 3127, 4187, 4661, 15635, 16607, 20935, 23305, 83035, 247033, 880171, 979813, 1235165, 1311953, 4400855, 4899065, 6559765, 51930089, 69533509, 77405227, 259650445, 347667545, 387026135, 4102477031, 20512385155]

約数ペア:

[(1, 20512385155), (5, 4102477031), (53, 387026135), (59, 347667545), (79, 259650445), (265, 77405227), (295, 69533509), (395, 51930089), (3127, 6559765), (4187, 4899065), (4661, 4400855), (15635, 1311953), (16607, 1235165), (20935, 979813), (23305, 880171), (83035, 247033)]