20219991213

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{53093}}^1$

素因数の和:53253

約数の個数: 32

約数和(自身を含む): 28665662976

約数和(自身を除く): 8445671763

約数列:

[1, 3, 37, 47, 73, 111, 141, 219, 1739, 2701, 3431, 5217, 8103, 10293, 53093, 126947, 159279, 380841, 1964441, 2495371, 3875789, 5893323, 7486113, 11627367, 92328727, 143404193, 182162083, 276986181, 430212579, 546486249, 6739997071, 20219991213]

約数ペア:

[(1, 20219991213), (3, 6739997071), (37, 546486249), (47, 430212579), (73, 276986181), (111, 182162083), (141, 143404193), (219, 92328727), (1739, 11627367), (2701, 7486113), (3431, 5893323), (5217, 3875789), (8103, 2495371), (10293, 1964441), (53093, 380841), (126947, 159279)]