20465128

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{134639}}^1$

素因数の和:134664

約数の個数: 16

約数和(自身を含む): 40392000

約数和(自身を除く): 19926872

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 134639, 269278, 538556, 1077112, 2558141, 5116282, 10232564, 20465128]

約数ペア:

[(1, 20465128), (2, 10232564), (4, 5116282), (8, 2558141), (19, 1077112), (38, 538556), (76, 269278), (152, 134639)]