20763408

素因数分解:

$2^4\times 3^1\times {\mathrm{491}}^1\times {\mathrm{881}}^1$

素因数の和:1383

約数の個数: 40

約数和(自身を含む): 53809056

約数和(自身を除く): 33045648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 491, 881, 982, 1473, 1762, 1964, 2643, 2946, 3524, 3928, 5286, 5892, 7048, 7856, 10572, 11784, 14096, 21144, 23568, 42288, 432571, 865142, 1297713, 1730284, 2595426, 3460568, 5190852, 6921136, 10381704, 20763408]

約数ペア:

[(1, 20763408), (2, 10381704), (3, 6921136), (4, 5190852), (6, 3460568), (8, 2595426), (12, 1730284), (16, 1297713), (24, 865142), (48, 432571), (491, 42288), (881, 23568), (982, 21144), (1473, 14096), (1762, 11784), (1964, 10572), (2643, 7856), (2946, 7048), (3524, 5892), (3928, 5286)]