20685442

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1\times {\mathrm{631}}^1$

素因数の和:1113

約数の個数: 16

約数和(自身を含む): 31989312

約数和(自身を除く): 11303870

約数列:

[1, 2, 37, 74, 443, 631, 886, 1262, 16391, 23347, 32782, 46694, 279533, 559066, 10342721, 20685442]

約数ペア:

[(1, 20685442), (2, 10342721), (37, 559066), (74, 279533), (443, 46694), (631, 32782), (886, 23347), (1262, 16391)]