20520306

素因数分解:

$2^1\times 3^2\times {\mathrm{281}}^1\times {\mathrm{4057}}^1$

素因数の和:4346

約数の個数: 24

約数和(自身を含む): 44629884

約数和(自身を除く): 24109578

約数列:

[1, 2, 3, 6, 9, 18, 281, 562, 843, 1686, 2529, 4057, 5058, 8114, 12171, 24342, 36513, 73026, 1140017, 2280034, 3420051, 6840102, 10260153, 20520306]

約数ペア:

[(1, 20520306), (2, 10260153), (3, 6840102), (6, 3420051), (9, 2280034), (18, 1140017), (281, 73026), (562, 36513), (843, 24342), (1686, 12171), (2529, 8114), (4057, 5058)]