20650734

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1279}}^1$

素因数の和:1326

約数の個数: 64

約数和(自身を含む): 51609600

約数和(自身を除く): 30958866

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 27, 39, 46, 54, 69, 78, 117, 138, 207, 234, 299, 351, 414, 598, 621, 702, 897, 1242, 1279, 1794, 2558, 2691, 3837, 5382, 7674, 8073, 11511, 16146, 16627, 23022, 29417, 33254, 34533, 49881, 58834, 69066, 88251, 99762, 149643, 176502, 264753, 299286, 382421, 448929, 529506, 764842, 794259, 897858, 1147263, 1588518, 2294526, 3441789, 6883578, 10325367, 20650734]

約数ペア:

[(1, 20650734), (2, 10325367), (3, 6883578), (6, 3441789), (9, 2294526), (13, 1588518), (18, 1147263), (23, 897858), (26, 794259), (27, 764842), (39, 529506), (46, 448929), (54, 382421), (69, 299286), (78, 264753), (117, 176502), (138, 149643), (207, 99762), (234, 88251), (299, 69066), (351, 58834), (414, 49881), (598, 34533), (621, 33254), (702, 29417), (897, 23022), (1242, 16627), (1279, 16146), (1794, 11511), (2558, 8073), (2691, 7674), (3837, 5382)]