20680256

素因数分解:

$2^6\times {\mathrm{311}}^1\times {\mathrm{1039}}^1$

素因数の和:1362

約数の個数: 28

約数和(自身を含む): 41208960

約数和(自身を除く): 20528704

約数列:

[1, 2, 4, 8, 16, 32, 64, 311, 622, 1039, 1244, 2078, 2488, 4156, 4976, 8312, 9952, 16624, 19904, 33248, 66496, 323129, 646258, 1292516, 2585032, 5170064, 10340128, 20680256]

約数ペア:

[(1, 20680256), (2, 10340128), (4, 5170064), (8, 2585032), (16, 1292516), (32, 646258), (64, 323129), (311, 66496), (622, 33248), (1039, 19904), (1244, 16624), (2078, 9952), (2488, 8312), (4156, 4976)]