20766008

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{63311}}^1$

素因数の和:63358

約数の個数: 16

約数和(自身を含む): 39886560

約数和(自身を除く): 19120552

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 63311, 126622, 253244, 506488, 2595751, 5191502, 10383004, 20766008]

約数ペア:

[(1, 20766008), (2, 10383004), (4, 5191502), (8, 2595751), (41, 506488), (82, 253244), (164, 126622), (328, 63311)]