20671588

素因数分解:

$2^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{3089}}^1$

素因数の和:3339

約数の個数: 24

約数和(自身を含む): 41529600

約数和(自身を除く): 20858012

約数列:

[1, 2, 4, 7, 14, 28, 239, 478, 956, 1673, 3089, 3346, 6178, 6692, 12356, 21623, 43246, 86492, 738271, 1476542, 2953084, 5167897, 10335794, 20671588]

約数ペア:

[(1, 20671588), (2, 10335794), (4, 5167897), (7, 2953084), (14, 1476542), (28, 738271), (239, 86492), (478, 43246), (956, 21623), (1673, 12356), (3089, 6692), (3346, 6178)]