2020204038

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 4177958400

約数和(自身を除く): 2157754362

約数列:

[1, 2, 3, 6, 71, 109, 139, 142, 213, 218, 278, 313, 327, 417, 426, 626, 654, 834, 939, 1878, 7739, 9869, 15151, 15478, 19738, 22223, 23217, 29607, 30302, 34117, 43507, 44446, 45453, 46434, 59214, 66669, 68234, 87014, 90906, 102351, 130521, 133338, 204702, 261042, 1075721, 2151442, 2422307, 3088997, 3227163, 4742263, 4844614, 6177994, 6454326, 7266921, 9266991, 9484526, 14226789, 14533842, 18533982, 28453578, 336700673, 673401346, 1010102019, 2020204038]

約数ペア:

[(1, 2020204038), (2, 1010102019), (3, 673401346), (6, 336700673), (71, 28453578), (109, 18533982), (139, 14533842), (142, 14226789), (213, 9484526), (218, 9266991), (278, 7266921), (313, 6454326), (327, 6177994), (417, 4844614), (426, 4742263), (626, 3227163), (654, 3088997), (834, 2422307), (939, 2151442), (1878, 1075721), (7739, 261042), (9869, 204702), (15151, 133338), (15478, 130521), (19738, 102351), (22223, 90906), (23217, 87014), (29607, 68234), (30302, 66669), (34117, 59214), (43507, 46434), (44446, 45453)]