20017908

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{10903}}^1$

素因数の和:10933

約数の個数: 48

約数和(自身を含む): 54956160

約数和(自身を除く): 34938252

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 102, 108, 153, 204, 306, 459, 612, 918, 1836, 10903, 21806, 32709, 43612, 65418, 98127, 130836, 185351, 196254, 294381, 370702, 392508, 556053, 588762, 741404, 1112106, 1177524, 1668159, 2224212, 3336318, 5004477, 6672636, 10008954, 20017908]

約数ペア:

[(1, 20017908), (2, 10008954), (3, 6672636), (4, 5004477), (6, 3336318), (9, 2224212), (12, 1668159), (17, 1177524), (18, 1112106), (27, 741404), (34, 588762), (36, 556053), (51, 392508), (54, 370702), (68, 294381), (102, 196254), (108, 185351), (153, 130836), (204, 98127), (306, 65418), (459, 43612), (612, 32709), (918, 21806), (1836, 10903)]