20489063

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{1031}}^1$

素因数の和:1222

約数の個数: 16

約数和(自身を含む): 24966144

約数和(自身を除く): 4477081

約数列:

[1, 7, 17, 119, 167, 1031, 1169, 2839, 7217, 17527, 19873, 122689, 172177, 1205239, 2927009, 20489063]

約数ペア:

[(1, 20489063), (7, 2927009), (17, 1205239), (119, 172177), (167, 122689), (1031, 19873), (1169, 17527), (2839, 7217)]