20902472

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{60763}}^1$

素因数の和:60812

約数の個数: 16

約数和(自身を含む): 40104240

約数和(自身を除く): 19201768

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 60763, 121526, 243052, 486104, 2612809, 5225618, 10451236, 20902472]

約数ペア:

[(1, 20902472), (2, 10451236), (4, 5225618), (8, 2612809), (43, 486104), (86, 243052), (172, 121526), (344, 60763)]