20826448

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{30271}}^1$

素因数の和:30322

約数の個数: 20

約数和(自身を含む): 41291008

約数和(自身を除く): 20464560

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 30271, 60542, 121084, 242168, 484336, 1301653, 2603306, 5206612, 10413224, 20826448]

約数ペア:

[(1, 20826448), (2, 10413224), (4, 5206612), (8, 2603306), (16, 1301653), (43, 484336), (86, 242168), (172, 121084), (344, 60542), (688, 30271)]