20779444

素因数分解:

$2^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{2371}}^1$

素因数の和:2695

約数の個数: 24

約数和(自身を含む): 41709248

約数和(自身を除く): 20929804

約数列:

[1, 2, 4, 7, 14, 28, 313, 626, 1252, 2191, 2371, 4382, 4742, 8764, 9484, 16597, 33194, 66388, 742123, 1484246, 2968492, 5194861, 10389722, 20779444]

約数ペア:

[(1, 20779444), (2, 10389722), (4, 5194861), (7, 2968492), (14, 1484246), (28, 742123), (313, 66388), (626, 33194), (1252, 16597), (2191, 9484), (2371, 8764), (4382, 4742)]