20478794

素因数分解:

$2^1\times 7^1\times {\mathrm{1109}}^1\times {\mathrm{1319}}^1$

素因数の和:2437

約数の個数: 16

約数和(自身を含む): 35164800

約数和(自身を除く): 14686006

約数列:

[1, 2, 7, 14, 1109, 1319, 2218, 2638, 7763, 9233, 15526, 18466, 1462771, 2925542, 10239397, 20478794]

約数ペア:

[(1, 20478794), (2, 10239397), (7, 2925542), (14, 1462771), (1109, 18466), (1319, 15526), (2218, 9233), (2638, 7763)]