20539673

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{719}}^1$

素因数の和:797

約数の個数: 24

約数和(自身を含む): 26593920

約数和(自身を除く): 6054247

約数列:

[1, 7, 11, 49, 53, 77, 371, 539, 583, 719, 2597, 4081, 5033, 7909, 28567, 35231, 38107, 55363, 266749, 387541, 419177, 1867243, 2934239, 20539673]

約数ペア:

[(1, 20539673), (7, 2934239), (11, 1867243), (49, 419177), (53, 387541), (77, 266749), (371, 55363), (539, 38107), (583, 35231), (719, 28567), (2597, 7909), (4081, 5033)]