20019564

素因数分解:

$2^2\times 3^2\times {\mathrm{281}}^1\times {\mathrm{1979}}^1$

素因数の和:2270

約数の個数: 36

約数和(自身を含む): 50810760

約数和(自身を除く): 30791196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 281, 562, 843, 1124, 1686, 1979, 2529, 3372, 3958, 5058, 5937, 7916, 10116, 11874, 17811, 23748, 35622, 71244, 556099, 1112198, 1668297, 2224396, 3336594, 5004891, 6673188, 10009782, 20019564]

約数ペア:

[(1, 20019564), (2, 10009782), (3, 6673188), (4, 5004891), (6, 3336594), (9, 2224396), (12, 1668297), (18, 1112198), (36, 556099), (281, 71244), (562, 35622), (843, 23748), (1124, 17811), (1686, 11874), (1979, 10116), (2529, 7916), (3372, 5937), (3958, 5058)]