20751863

素因数分解:

${\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:199

約数の個数: 24

約数和(自身を含む): 24131520

約数和(自身を除く): 3379657

約数列:

[1, 11, 41, 47, 89, 121, 451, 517, 979, 1927, 3649, 4183, 4961, 5687, 10769, 21197, 40139, 46013, 171503, 233167, 441529, 506143, 1886533, 20751863]

約数ペア:

[(1, 20751863), (11, 1886533), (41, 506143), (47, 441529), (89, 233167), (121, 171503), (451, 46013), (517, 40139), (979, 21197), (1927, 10769), (3649, 5687), (4183, 4961)]