20085465556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{337}}^1\times {\mathrm{17107}}^1$

素因数の和:17528

約数の個数: 48

約数和(自身を含む): 38534606656

約数和(自身を除く): 18449141100

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 337, 674, 871, 1348, 1742, 3484, 4381, 8762, 17107, 17524, 22579, 34214, 45158, 68428, 90316, 222391, 293527, 444782, 587054, 889564, 1146169, 1174108, 2292338, 4584676, 5765059, 11530118, 14900197, 23060236, 29800394, 59600788, 74945767, 149891534, 299783068, 386258953, 772517906, 1545035812, 5021366389, 10042732778, 20085465556]

約数ペア:

[(1, 20085465556), (2, 10042732778), (4, 5021366389), (13, 1545035812), (26, 772517906), (52, 386258953), (67, 299783068), (134, 149891534), (268, 74945767), (337, 59600788), (674, 29800394), (871, 23060236), (1348, 14900197), (1742, 11530118), (3484, 5765059), (4381, 4584676), (8762, 2292338), (17107, 1174108), (17524, 1146169), (22579, 889564), (34214, 587054), (45158, 444782), (68428, 293527), (90316, 222391)]