20486956

素因数分解:

$2^2\times 7^1\times {\mathrm{523}}^1\times {\mathrm{1399}}^1$

素因数の和:1933

約数の個数: 24

約数和(自身を含む): 41081600

約数和(自身を除く): 20594644

約数列:

[1, 2, 4, 7, 14, 28, 523, 1046, 1399, 2092, 2798, 3661, 5596, 7322, 9793, 14644, 19586, 39172, 731677, 1463354, 2926708, 5121739, 10243478, 20486956]

約数ペア:

[(1, 20486956), (2, 10243478), (4, 5121739), (7, 2926708), (14, 1463354), (28, 731677), (523, 39172), (1046, 19586), (1399, 14644), (2092, 9793), (2798, 7322), (3661, 5596)]