20638079

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{619}}^1$

素因数の和:1070

約数の個数: 16

約数和(自身を含む): 25831680

約数和(自身を除く): 5193601

約数列:

[1, 7, 11, 77, 433, 619, 3031, 4333, 4763, 6809, 33341, 47663, 268027, 1876189, 2948297, 20638079]

約数ペア:

[(1, 20638079), (7, 2948297), (11, 1876189), (77, 268027), (433, 47663), (619, 33341), (3031, 6809), (4333, 4763)]