20123079445

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{18546617}}^1$

素因数の和:18546660

約数の個数: 16

約数和(自身を含む): 28487605248

約数和(自身を除く): 8364525803

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 18546617, 92733085, 129826319, 574945127, 649131595, 2874725635, 4024615889, 20123079445]

約数ペア:

[(1, 20123079445), (5, 4024615889), (7, 2874725635), (31, 649131595), (35, 574945127), (155, 129826319), (217, 92733085), (1085, 18546617)]