20056729

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 25740288

約数和(自身を除く): 5683559

約数列:

[1, 7, 11, 49, 77, 127, 293, 539, 889, 1397, 2051, 3223, 6223, 9779, 14357, 22561, 37211, 68453, 157927, 260477, 409321, 1823339, 2865247, 20056729]

約数ペア:

[(1, 20056729), (7, 2865247), (11, 1823339), (49, 409321), (77, 260477), (127, 157927), (293, 68453), (539, 37211), (889, 22561), (1397, 14357), (2051, 9779), (3223, 6223)]