12920432

素因数分解:

$2^4\times 7^1\times {\mathrm{115361}}^1$

素因数の和:115376

約数の個数: 20

約数和(自身を含む): 28609776

約数和(自身を除く): 15689344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 115361, 230722, 461444, 807527, 922888, 1615054, 1845776, 3230108, 6460216, 12920432]

約数ペア:

[(1, 12920432), (2, 6460216), (4, 3230108), (7, 1845776), (8, 1615054), (14, 922888), (16, 807527), (28, 461444), (56, 230722), (112, 115361)]