20950783

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{3593}}^1$

素因数の和:3631

約数の個数: 16

約数和(自身を含む): 25876800

約数和(自身を除く): 4926017

約数列:

[1, 7, 17, 49, 119, 343, 833, 3593, 5831, 25151, 61081, 176057, 427567, 1232399, 2992969, 20950783]

約数ペア:

[(1, 20950783), (7, 2992969), (17, 1232399), (49, 427567), (119, 176057), (343, 61081), (833, 25151), (3593, 5831)]