20550761

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1277}}^1$

素因数の和:1325

約数の個数: 24

約数和(自身を含む): 27195840

約数和(自身を除く): 6645079

約数列:

[1, 7, 11, 19, 77, 121, 133, 209, 847, 1277, 1463, 2299, 8939, 14047, 16093, 24263, 98329, 154517, 169841, 266893, 1081619, 1868251, 2935823, 20550761]

約数ペア:

[(1, 20550761), (7, 2935823), (11, 1868251), (19, 1081619), (77, 266893), (121, 169841), (133, 154517), (209, 98329), (847, 24263), (1277, 16093), (1463, 14047), (2299, 8939)]