20164291

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2161}}^1$

素因数の和:2242

約数の個数: 16

約数和(自身を含む): 24352768

約数和(自身を除く): 4188477

約数列:

[1, 7, 31, 43, 217, 301, 1333, 2161, 9331, 15127, 66991, 92923, 468937, 650461, 2880613, 20164291]

約数ペア:

[(1, 20164291), (7, 2880613), (31, 650461), (43, 468937), (217, 92923), (301, 66991), (1333, 15127), (2161, 9331)]