20791422

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{15823}}^1$

素因数の和:15904

約数の個数: 24

約数和(自身を含む): 45668064

約数和(自身を除く): 24876642

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 1314, 15823, 31646, 47469, 94938, 142407, 284814, 1155079, 2310158, 3465237, 6930474, 10395711, 20791422]

約数ペア:

[(1, 20791422), (2, 10395711), (3, 6930474), (6, 3465237), (9, 2310158), (18, 1155079), (73, 284814), (146, 142407), (219, 94938), (438, 47469), (657, 31646), (1314, 15823)]