20219989244

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{75991}}^1$

素因数の和:76075

約数の個数: 96

約数和(自身を含む): 47185560576

約数和(自身を除く): 26965571332

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 43, 52, 68, 86, 91, 119, 172, 182, 221, 238, 301, 364, 442, 476, 559, 602, 731, 884, 1118, 1204, 1462, 1547, 2236, 2924, 3094, 3913, 5117, 6188, 7826, 9503, 10234, 15652, 19006, 20468, 38012, 66521, 75991, 133042, 151982, 266084, 303964, 531937, 987883, 1063874, 1291847, 1975766, 2127748, 2583694, 3267613, 3951532, 5167388, 6535226, 6915181, 9042929, 13070452, 13830362, 16794011, 18085858, 22873291, 27660724, 33588022, 36171716, 42478969, 45746582, 55549421, 67176044, 84957938, 91493164, 111098842, 117558077, 169915876, 222197684, 235116154, 297352783, 388845947, 470232308, 594705566, 722142473, 777691894, 1189411132, 1444284946, 1555383788, 2888569892, 5054997311, 10109994622, 20219989244]

約数ペア:

[(1, 20219989244), (2, 10109994622), (4, 5054997311), (7, 2888569892), (13, 1555383788), (14, 1444284946), (17, 1189411132), (26, 777691894), (28, 722142473), (34, 594705566), (43, 470232308), (52, 388845947), (68, 297352783), (86, 235116154), (91, 222197684), (119, 169915876), (172, 117558077), (182, 111098842), (221, 91493164), (238, 84957938), (301, 67176044), (364, 55549421), (442, 45746582), (476, 42478969), (559, 36171716), (602, 33588022), (731, 27660724), (884, 22873291), (1118, 18085858), (1204, 16794011), (1462, 13830362), (1547, 13070452), (2236, 9042929), (2924, 6915181), (3094, 6535226), (3913, 5167388), (5117, 3951532), (6188, 3267613), (7826, 2583694), (9503, 2127748), (10234, 1975766), (15652, 1291847), (19006, 1063874), (20468, 987883), (38012, 531937), (66521, 303964), (75991, 266084), (133042, 151982)]