20627409

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{443}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 32223744

約数和(自身を除く): 11596335

約数列:

[1, 3, 11, 17, 33, 51, 83, 187, 249, 443, 561, 913, 1329, 1411, 2739, 4233, 4873, 7531, 14619, 15521, 22593, 36769, 46563, 82841, 110307, 248523, 404459, 625073, 1213377, 1875219, 6875803, 20627409]

約数ペア:

[(1, 20627409), (3, 6875803), (11, 1875219), (17, 1213377), (33, 625073), (51, 404459), (83, 248523), (187, 110307), (249, 82841), (443, 46563), (561, 36769), (913, 22593), (1329, 15521), (1411, 14619), (2739, 7531), (4233, 4873)]