20528020888

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{135052769}}^1$

素因数の和:135052794

約数の個数: 16

約数和(自身を含む): 40515831000

約数和(自身を除く): 19987810112

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 135052769, 270105538, 540211076, 1080422152, 2566002611, 5132005222, 10264010444, 20528020888]

約数ペア:

[(1, 20528020888), (2, 10264010444), (4, 5132005222), (8, 2566002611), (19, 1080422152), (38, 540211076), (76, 270105538), (152, 135052769)]