20767976

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{63317}}^1$

素因数の和:63364

約数の個数: 16

約数和(自身を含む): 39890340

約数和(自身を除く): 19122364

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 63317, 126634, 253268, 506536, 2595997, 5191994, 10383988, 20767976]

約数ペア:

[(1, 20767976), (2, 10383988), (4, 5191994), (8, 2595997), (41, 506536), (82, 253268), (164, 126634), (328, 63317)]