20017823

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{3433}}^1$

素因数の和:3471

約数の個数: 16

約数和(自身を含む): 24724800

約数和(自身を除く): 4706977

約数列:

[1, 7, 17, 49, 119, 343, 833, 3433, 5831, 24031, 58361, 168217, 408527, 1177519, 2859689, 20017823]

約数ペア:

[(1, 20017823), (7, 2859689), (17, 1177519), (49, 408527), (119, 168217), (343, 58361), (833, 24031), (3433, 5831)]