20172986488

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1051}}^1\times {\mathrm{1319}}^1$

素因数の和:2500

約数の個数: 64

約数和(自身を含む): 40492742400

約数和(自身を除く): 20319755912

約数列:

[1, 2, 4, 8, 17, 34, 68, 107, 136, 214, 428, 856, 1051, 1319, 1819, 2102, 2638, 3638, 4204, 5276, 7276, 8408, 10552, 14552, 17867, 22423, 35734, 44846, 71468, 89692, 112457, 141133, 142936, 179384, 224914, 282266, 449828, 564532, 899656, 1129064, 1386269, 1911769, 2399261, 2772538, 3823538, 4798522, 5545076, 7647076, 9597044, 11090152, 15294152, 19194088, 23566573, 47133146, 94266292, 148330783, 188532584, 296661566, 593323132, 1186646264, 2521623311, 5043246622, 10086493244, 20172986488]

約数ペア:

[(1, 20172986488), (2, 10086493244), (4, 5043246622), (8, 2521623311), (17, 1186646264), (34, 593323132), (68, 296661566), (107, 188532584), (136, 148330783), (214, 94266292), (428, 47133146), (856, 23566573), (1051, 19194088), (1319, 15294152), (1819, 11090152), (2102, 9597044), (2638, 7647076), (3638, 5545076), (4204, 4798522), (5276, 3823538), (7276, 2772538), (8408, 2399261), (10552, 1911769), (14552, 1386269), (17867, 1129064), (22423, 899656), (35734, 564532), (44846, 449828), (71468, 282266), (89692, 224914), (112457, 179384), (141133, 142936)]