20789404

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{277}}^1\times {\mathrm{647}}^1$

素因数の和:957

約数の個数: 24

約数和(自身を含む): 37830240

約数和(自身を除く): 17040836

約数列:

[1, 2, 4, 29, 58, 116, 277, 554, 647, 1108, 1294, 2588, 8033, 16066, 18763, 32132, 37526, 75052, 179219, 358438, 716876, 5197351, 10394702, 20789404]

約数ペア:

[(1, 20789404), (2, 10394702), (4, 5197351), (29, 716876), (58, 358438), (116, 179219), (277, 75052), (554, 37526), (647, 32132), (1108, 18763), (1294, 16066), (2588, 8033)]