20472318

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{769}}^1$

素因数の和:826

約数の個数: 64

約数和(自身を含む): 49896000

約数和(自身を除く): 29423682

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 29, 34, 51, 54, 58, 87, 102, 153, 174, 261, 306, 459, 493, 522, 769, 783, 918, 986, 1479, 1538, 1566, 2307, 2958, 4437, 4614, 6921, 8874, 13073, 13311, 13842, 20763, 22301, 26146, 26622, 39219, 41526, 44602, 66903, 78438, 117657, 133806, 200709, 235314, 352971, 379117, 401418, 602127, 705942, 758234, 1137351, 1204254, 2274702, 3412053, 6824106, 10236159, 20472318]

約数ペア:

[(1, 20472318), (2, 10236159), (3, 6824106), (6, 3412053), (9, 2274702), (17, 1204254), (18, 1137351), (27, 758234), (29, 705942), (34, 602127), (51, 401418), (54, 379117), (58, 352971), (87, 235314), (102, 200709), (153, 133806), (174, 117657), (261, 78438), (306, 66903), (459, 44602), (493, 41526), (522, 39219), (769, 26622), (783, 26146), (918, 22301), (986, 20763), (1479, 13842), (1538, 13311), (1566, 13073), (2307, 8874), (2958, 6921), (4437, 4614)]