20676592

素因数分解:

$2^4\times {\mathrm{653}}^1\times {\mathrm{1979}}^1$

素因数の和:2640

約数の個数: 20

約数和(自身を含む): 40142520

約数和(自身を除く): 19465928

約数列:

[1, 2, 4, 8, 16, 653, 1306, 1979, 2612, 3958, 5224, 7916, 10448, 15832, 31664, 1292287, 2584574, 5169148, 10338296, 20676592]

約数ペア:

[(1, 20676592), (2, 10338296), (4, 5169148), (8, 2584574), (16, 1292287), (653, 31664), (1306, 15832), (1979, 10448), (2612, 7916), (3958, 5224)]