20806938

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{733}}^1$

素因数の和:843

約数の個数: 48

約数和(自身を含む): 48091680

約数和(自身を除く): 27284742

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 83, 114, 166, 171, 249, 342, 498, 733, 747, 1466, 1494, 1577, 2199, 3154, 4398, 4731, 6597, 9462, 13194, 13927, 14193, 27854, 28386, 41781, 60839, 83562, 121678, 125343, 182517, 250686, 365034, 547551, 1095102, 1155941, 2311882, 3467823, 6935646, 10403469, 20806938]

約数ペア:

[(1, 20806938), (2, 10403469), (3, 6935646), (6, 3467823), (9, 2311882), (18, 1155941), (19, 1095102), (38, 547551), (57, 365034), (83, 250686), (114, 182517), (166, 125343), (171, 121678), (249, 83562), (342, 60839), (498, 41781), (733, 28386), (747, 27854), (1466, 14193), (1494, 13927), (1577, 13194), (2199, 9462), (3154, 6597), (4398, 4731)]