20210635782

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{1021}}^1\times {\mathrm{1721}}^1$

素因数の和:2827

約数の個数: 80

約数和(自身を含む): 45996328224

約数和(自身を除く): 25785692442

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 426, 639, 1021, 1278, 1721, 1917, 2042, 3063, 3442, 3834, 5163, 5751, 6126, 9189, 10326, 11502, 15489, 18378, 27567, 30978, 46467, 55134, 72491, 82701, 92934, 122191, 139401, 144982, 165402, 217473, 244382, 278802, 366573, 434946, 652419, 733146, 1099719, 1304838, 1757141, 1957257, 2199438, 3299157, 3514282, 3914514, 5271423, 5871771, 6598314, 9897471, 10542846, 11743542, 15814269, 19794942, 31628538, 47442807, 94885614, 124757011, 142328421, 249514022, 284656842, 374271033, 748542066, 1122813099, 2245626198, 3368439297, 6736878594, 10105317891, 20210635782]

約数ペア:

[(1, 20210635782), (2, 10105317891), (3, 6736878594), (6, 3368439297), (9, 2245626198), (18, 1122813099), (27, 748542066), (54, 374271033), (71, 284656842), (81, 249514022), (142, 142328421), (162, 124757011), (213, 94885614), (426, 47442807), (639, 31628538), (1021, 19794942), (1278, 15814269), (1721, 11743542), (1917, 10542846), (2042, 9897471), (3063, 6598314), (3442, 5871771), (3834, 5271423), (5163, 3914514), (5751, 3514282), (6126, 3299157), (9189, 2199438), (10326, 1957257), (11502, 1757141), (15489, 1304838), (18378, 1099719), (27567, 733146), (30978, 652419), (46467, 434946), (55134, 366573), (72491, 278802), (82701, 244382), (92934, 217473), (122191, 165402), (139401, 144982)]