20189558455

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{813931}}^1$

素因数の和:813999

約数の個数: 24

約数和(自身を含む): 27279744912

約数和(自身を除く): 7090186457

約数列:

[1, 5, 11, 41, 55, 121, 205, 451, 605, 2255, 4961, 24805, 813931, 4069655, 8953241, 33371171, 44766205, 98485651, 166855855, 367082881, 492428255, 1835414405, 4037911691, 20189558455]

約数ペア:

[(1, 20189558455), (5, 4037911691), (11, 1835414405), (41, 492428255), (55, 367082881), (121, 166855855), (205, 98485651), (451, 44766205), (605, 33371171), (2255, 8953241), (4961, 4069655), (24805, 813931)]