20480390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{292577}}^1$

素因数の和:292591

約数の個数: 16

約数和(自身を含む): 42131232

約数和(自身を除く): 21650842

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 292577, 585154, 1462885, 2048039, 2925770, 4096078, 10240195, 20480390]

約数ペア:

[(1, 20480390), (2, 10240195), (5, 4096078), (7, 2925770), (10, 2048039), (14, 1462885), (35, 585154), (70, 292577)]