20377269

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5563}}^1$

素因数の和:5617

約数の個数: 24

約数和(自身を含む): 32983392

約数和(自身を除く): 12606123

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 1221, 3663, 5563, 16689, 50067, 61193, 183579, 205831, 550737, 617493, 1852479, 2264141, 6792423, 20377269]

約数ペア:

[(1, 20377269), (3, 6792423), (9, 2264141), (11, 1852479), (33, 617493), (37, 550737), (99, 205831), (111, 183579), (333, 61193), (407, 50067), (1221, 16689), (3663, 5563)]