20121608479

素因数分解:

$7^2\times {\mathrm{1423}}^1\times {\mathrm{288577}}^1$

素因数の和:290014

約数の個数: 12

約数和(自身を含む): 23423299104

約数和(自身を除く): 3301690625

約数列:

[1, 7, 49, 1423, 9961, 69727, 288577, 2020039, 14140273, 410645071, 2874515497, 20121608479]

約数ペア:

[(1, 20121608479), (7, 2874515497), (49, 410645071), (1423, 14140273), (9961, 2020039), (69727, 288577)]