20994256

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{12263}}^1$

素因数の和:12378

約数の個数: 20

約数和(自身を含む): 41059872

約数和(自身を除く): 20065616

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 12263, 24526, 49052, 98104, 196208, 1312141, 2624282, 5248564, 10497128, 20994256]

約数ペア:

[(1, 20994256), (2, 10497128), (4, 5248564), (8, 2624282), (16, 1312141), (107, 196208), (214, 98104), (428, 49052), (856, 24526), (1712, 12263)]