20577284

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{56531}}^1$

素因数の和:56555

約数の個数: 24

約数和(自身を含む): 44321088

約数和(自身を除く): 23743804

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 56531, 113062, 226124, 395717, 734903, 791434, 1469806, 1582868, 2939612, 5144321, 10288642, 20577284]

約数ペア:

[(1, 20577284), (2, 10288642), (4, 5144321), (7, 2939612), (13, 1582868), (14, 1469806), (26, 791434), (28, 734903), (52, 395717), (91, 226124), (182, 113062), (364, 56531)]