20489148

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{33479}}^1$

素因数の和:33506

約数の個数: 36

約数和(自身を含む): 54840240

約数和(自身を除く): 34351092

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612, 33479, 66958, 100437, 133916, 200874, 301311, 401748, 569143, 602622, 1138286, 1205244, 1707429, 2276572, 3414858, 5122287, 6829716, 10244574, 20489148]

約数ペア:

[(1, 20489148), (2, 10244574), (3, 6829716), (4, 5122287), (6, 3414858), (9, 2276572), (12, 1707429), (17, 1205244), (18, 1138286), (34, 602622), (36, 569143), (51, 401748), (68, 301311), (102, 200874), (153, 133916), (204, 100437), (306, 66958), (612, 33479)]