20200390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{288577}}^1$

素因数の和:288591

約数の個数: 16

約数和(自身を含む): 41555232

約数和(自身を除く): 21354842

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 288577, 577154, 1442885, 2020039, 2885770, 4040078, 10100195, 20200390]

約数ペア:

[(1, 20200390), (2, 10100195), (5, 4040078), (7, 2885770), (10, 2020039), (14, 1442885), (35, 577154), (70, 288577)]