20743890622

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{467}}^1\times {\mathrm{7873}}^1$

素因数の和:8393

約数の個数: 64

約数和(自身を含む): 39621464064

約数和(自身を除く): 18877573442

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 467, 806, 934, 2821, 3269, 5642, 6071, 6538, 7873, 12142, 14477, 15746, 28954, 42497, 55111, 84994, 101339, 102349, 110222, 188201, 202678, 204698, 244063, 376402, 488126, 716443, 1317407, 1432886, 1708441, 2634814, 3172819, 3416882, 3676691, 6345638, 7353382, 22209733, 25736837, 44419466, 47796983, 51473674, 95593966, 113977421, 227954842, 334578881, 669157762, 797841947, 1481706473, 1595683894, 2963412946, 10371945311, 20743890622]

約数ペア:

[(1, 20743890622), (2, 10371945311), (7, 2963412946), (13, 1595683894), (14, 1481706473), (26, 797841947), (31, 669157762), (62, 334578881), (91, 227954842), (182, 113977421), (217, 95593966), (403, 51473674), (434, 47796983), (467, 44419466), (806, 25736837), (934, 22209733), (2821, 7353382), (3269, 6345638), (5642, 3676691), (6071, 3416882), (6538, 3172819), (7873, 2634814), (12142, 1708441), (14477, 1432886), (15746, 1317407), (28954, 716443), (42497, 488126), (55111, 376402), (84994, 244063), (101339, 204698), (102349, 202678), (110222, 188201)]