16720270

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{34123}}^1$

素因数の和:34144

約数の個数: 24

約数和(自身を含む): 35011224

約数和(自身を除く): 18290954

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 34123, 68246, 170615, 238861, 341230, 477722, 1194305, 1672027, 2388610, 3344054, 8360135, 16720270]

約数ペア:

[(1, 16720270), (2, 8360135), (5, 3344054), (7, 2388610), (10, 1672027), (14, 1194305), (35, 477722), (49, 341230), (70, 238861), (98, 170615), (245, 68246), (490, 34123)]