20828066

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{78301}}^1$

素因数の和:78329

約数の個数: 16

約数和(自身を含む): 37584960

約数和(自身を除く): 16756894

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 78301, 156602, 548107, 1096214, 1487719, 2975438, 10414033, 20828066]

約数ペア:

[(1, 20828066), (2, 10414033), (7, 2975438), (14, 1487719), (19, 1096214), (38, 548107), (133, 156602), (266, 78301)]