20417243

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{5003}}^1$

素因数の和:5074

約数の個数: 16

約数和(自身を含む): 25940736

約数和(自身を除く): 5523493

約数列:

[1, 7, 11, 53, 77, 371, 583, 4081, 5003, 35021, 55033, 265159, 385231, 1856113, 2916749, 20417243]

約数ペア:

[(1, 20417243), (7, 2916749), (11, 1856113), (53, 385231), (77, 265159), (371, 55033), (583, 35021), (4081, 5003)]