20860805

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 29804544

約数和(自身を除く): 8943739

約数列:

[1, 5, 7, 35, 43, 83, 167, 215, 301, 415, 581, 835, 1169, 1505, 2905, 3569, 5845, 7181, 13861, 17845, 24983, 35905, 50267, 69305, 97027, 124915, 251335, 485135, 596023, 2980115, 4172161, 20860805]

約数ペア:

[(1, 20860805), (5, 4172161), (7, 2980115), (35, 596023), (43, 485135), (83, 251335), (167, 124915), (215, 97027), (301, 69305), (415, 50267), (581, 35905), (835, 24983), (1169, 17845), (1505, 13861), (2905, 7181), (3569, 5845)]