20274801

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{2153}}^1$

素因数の和:2272

約数の個数: 16

約数和(自身を含む): 28053696

約数和(自身を除く): 7778895

約数列:

[1, 3, 43, 73, 129, 219, 2153, 3139, 6459, 9417, 92579, 157169, 277737, 471507, 6758267, 20274801]

約数ペア:

[(1, 20274801), (3, 6758267), (43, 471507), (73, 277737), (129, 157169), (219, 92579), (2153, 9417), (3139, 6459)]