20097791

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1049}}^1$

素因数の和:1103

約数の個数: 24

約数和(自身を含む): 25855200

約数和(自身を除く): 5757409

約数列:

[1, 7, 17, 23, 49, 119, 161, 391, 833, 1049, 1127, 2737, 7343, 17833, 19159, 24127, 51401, 124831, 168889, 410159, 873817, 1182223, 2871113, 20097791]

約数ペア:

[(1, 20097791), (7, 2871113), (17, 1182223), (23, 873817), (49, 410159), (119, 168889), (161, 124831), (391, 51401), (833, 24127), (1049, 19159), (1127, 17833), (2737, 7343)]