20580656

素因数分解:

$2^4\times {\mathrm{719}}^1\times {\mathrm{1789}}^1$

素因数の和:2516

約数の個数: 20

約数和(自身を含む): 39952800

約数和(自身を除く): 19372144

約数列:

[1, 2, 4, 8, 16, 719, 1438, 1789, 2876, 3578, 5752, 7156, 11504, 14312, 28624, 1286291, 2572582, 5145164, 10290328, 20580656]

約数ペア:

[(1, 20580656), (2, 10290328), (4, 5145164), (8, 2572582), (16, 1286291), (719, 28624), (1438, 14312), (1789, 11504), (2876, 7156), (3578, 5752)]