20435107

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1223}}^1$

素因数の和:1279

約数の個数: 24

約数和(自身を含む): 26790912

約数和(自身を除く): 6355805

約数列:

[1, 7, 11, 31, 49, 77, 217, 341, 539, 1223, 1519, 2387, 8561, 13453, 16709, 37913, 59927, 94171, 265391, 417043, 659197, 1857737, 2919301, 20435107]

約数ペア:

[(1, 20435107), (7, 2919301), (11, 1857737), (31, 659197), (49, 417043), (77, 265391), (217, 94171), (341, 59927), (539, 37913), (1223, 16709), (1519, 13453), (2387, 8561)]