20781084

素因数分解:

$2^2\times 3^1\times {\mathrm{491}}^1\times {\mathrm{3527}}^1$

素因数の和:4025

約数の個数: 24

約数和(自身を含む): 48601728

約数和(自身を除く): 27820644

約数列:

[1, 2, 3, 4, 6, 12, 491, 982, 1473, 1964, 2946, 3527, 5892, 7054, 10581, 14108, 21162, 42324, 1731757, 3463514, 5195271, 6927028, 10390542, 20781084]

約数ペア:

[(1, 20781084), (2, 10390542), (3, 6927028), (4, 5195271), (6, 3463514), (12, 1731757), (491, 42324), (982, 21162), (1473, 14108), (1964, 10581), (2946, 7054), (3527, 5892)]