20965868

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{68071}}^1$

素因数の和:68093

約数の個数: 24

約数和(自身を含む): 45744384

約数和(自身を除く): 24778516

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 68071, 136142, 272284, 476497, 748781, 952994, 1497562, 1905988, 2995124, 5241467, 10482934, 20965868]

約数ペア:

[(1, 20965868), (2, 10482934), (4, 5241467), (7, 2995124), (11, 1905988), (14, 1497562), (22, 952994), (28, 748781), (44, 476497), (77, 272284), (154, 136142), (308, 68071)]