20752412

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{499}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 37506000

約数和(自身を除く): 16753588

約数列:

[1, 2, 4, 37, 74, 148, 281, 499, 562, 998, 1124, 1996, 10397, 18463, 20794, 36926, 41588, 73852, 140219, 280438, 560876, 5188103, 10376206, 20752412]

約数ペア:

[(1, 20752412), (2, 10376206), (4, 5188103), (37, 560876), (74, 280438), (148, 140219), (281, 73852), (499, 41588), (562, 36926), (998, 20794), (1124, 18463), (1996, 10397)]