20289584

素因数分解:

$2^4\times 7^1\times {\mathrm{181157}}^1$

素因数の和:181172

約数の個数: 20

約数和(自身を含む): 44927184

約数和(自身を除く): 24637600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 181157, 362314, 724628, 1268099, 1449256, 2536198, 2898512, 5072396, 10144792, 20289584]

約数ペア:

[(1, 20289584), (2, 10144792), (4, 5072396), (7, 2898512), (8, 2536198), (14, 1449256), (16, 1268099), (28, 724628), (56, 362314), (112, 181157)]