20161609864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5328121}}^1$

素因数の和:5328181

約数の個数: 32

約数和(自身を含む): 42198726240

約数和(自身を除く): 22037116376

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 5328121, 10656242, 21312484, 42624968, 58609331, 117218662, 229109203, 234437324, 458218406, 468874648, 916436812, 1832873624, 2520201233, 5040402466, 10080804932, 20161609864]

約数ペア:

[(1, 20161609864), (2, 10080804932), (4, 5040402466), (8, 2520201233), (11, 1832873624), (22, 916436812), (43, 468874648), (44, 458218406), (86, 234437324), (88, 229109203), (172, 117218662), (344, 58609331), (473, 42624968), (946, 21312484), (1892, 10656242), (3784, 5328121)]