16680656

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{2549}}^1$

素因数の和:2966

約数の個数: 20

約数和(自身を含む): 32410500

約数和(自身を除く): 15729844

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 2549, 3272, 5098, 6544, 10196, 20392, 40784, 1042541, 2085082, 4170164, 8340328, 16680656]

約数ペア:

[(1, 16680656), (2, 8340328), (4, 4170164), (8, 2085082), (16, 1042541), (409, 40784), (818, 20392), (1636, 10196), (2549, 6544), (3272, 5098)]