20017789

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{641}}^1$

素因数の和:836

約数の個数: 16

約数和(自身を含む): 23296896

約数和(自身を除く): 3279107

約数列:

[1, 11, 17, 167, 187, 641, 1837, 2839, 7051, 10897, 31229, 107047, 119867, 1177517, 1819799, 20017789]

約数ペア:

[(1, 20017789), (11, 1819799), (17, 1177517), (167, 119867), (187, 107047), (641, 31229), (1837, 10897), (2839, 7051)]