20353788

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:161

約数の個数: 192

約数和(自身を含む): 68992000

約数和(自身を除く): 48638212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 27, 28, 36, 38, 39, 42, 52, 54, 57, 63, 76, 78, 84, 91, 108, 109, 114, 117, 126, 133, 156, 171, 182, 189, 218, 228, 234, 247, 252, 266, 273, 327, 342, 351, 364, 378, 399, 436, 468, 494, 513, 532, 546, 654, 684, 702, 741, 756, 763, 798, 819, 981, 988, 1026, 1092, 1197, 1308, 1404, 1417, 1482, 1526, 1596, 1638, 1729, 1962, 2052, 2071, 2223, 2289, 2394, 2457, 2834, 2943, 2964, 3052, 3276, 3458, 3591, 3924, 4142, 4251, 4446, 4578, 4788, 4914, 5187, 5668, 5886, 6213, 6669, 6867, 6916, 7182, 8284, 8502, 8892, 9156, 9828, 9919, 10374, 11772, 12426, 12753, 13338, 13734, 14364, 14497, 15561, 17004, 18639, 19838, 20601, 20748, 24852, 25506, 26676, 26923, 27468, 28994, 29757, 31122, 37278, 38259, 39676, 41202, 43491, 46683, 51012, 53846, 55917, 57988, 59514, 62244, 74556, 76518, 80769, 82404, 86982, 89271, 93366, 107692, 111834, 119028, 130473, 153036, 161538, 173964, 178542, 186732, 188461, 223668, 242307, 260946, 267813, 323076, 357084, 376922, 391419, 484614, 521892, 535626, 565383, 726921, 753844, 782838, 969228, 1071252, 1130766, 1453842, 1565676, 1696149, 2261532, 2907684, 3392298, 5088447, 6784596, 10176894, 20353788]

約数ペア:

[(1, 20353788), (2, 10176894), (3, 6784596), (4, 5088447), (6, 3392298), (7, 2907684), (9, 2261532), (12, 1696149), (13, 1565676), (14, 1453842), (18, 1130766), (19, 1071252), (21, 969228), (26, 782838), (27, 753844), (28, 726921), (36, 565383), (38, 535626), (39, 521892), (42, 484614), (52, 391419), (54, 376922), (57, 357084), (63, 323076), (76, 267813), (78, 260946), (84, 242307), (91, 223668), (108, 188461), (109, 186732), (114, 178542), (117, 173964), (126, 161538), (133, 153036), (156, 130473), (171, 119028), (182, 111834), (189, 107692), (218, 93366), (228, 89271), (234, 86982), (247, 82404), (252, 80769), (266, 76518), (273, 74556), (327, 62244), (342, 59514), (351, 57988), (364, 55917), (378, 53846), (399, 51012), (436, 46683), (468, 43491), (494, 41202), (513, 39676), (532, 38259), (546, 37278), (654, 31122), (684, 29757), (702, 28994), (741, 27468), (756, 26923), (763, 26676), (798, 25506), (819, 24852), (981, 20748), (988, 20601), (1026, 19838), (1092, 18639), (1197, 17004), (1308, 15561), (1404, 14497), (1417, 14364), (1482, 13734), (1526, 13338), (1596, 12753), (1638, 12426), (1729, 11772), (1962, 10374), (2052, 9919), (2071, 9828), (2223, 9156), (2289, 8892), (2394, 8502), (2457, 8284), (2834, 7182), (2943, 6916), (2964, 6867), (3052, 6669), (3276, 6213), (3458, 5886), (3591, 5668), (3924, 5187), (4142, 4914), (4251, 4788), (4446, 4578)]