20659006

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{1049}}^1$

素因数の和:1323

約数の個数: 16

約数和(自身を含む): 31878000

約数和(自身を除く): 11218994

約数列:

[1, 2, 43, 86, 229, 458, 1049, 2098, 9847, 19694, 45107, 90214, 240221, 480442, 10329503, 20659006]

約数ペア:

[(1, 20659006), (2, 10329503), (43, 480442), (86, 240221), (229, 90214), (458, 45107), (1049, 19694), (2098, 9847)]