20119687

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7351}}^1$

素因数の和:7398

約数の個数: 16

約数和(自身を含む): 25408512

約数和(自身を除く): 5288825

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 7351, 51457, 124967, 169073, 874769, 1183511, 2874241, 20119687]

約数ペア:

[(1, 20119687), (7, 2874241), (17, 1183511), (23, 874769), (119, 169073), (161, 124967), (391, 51457), (2737, 7351)]