20778896394

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:649

約数の個数: 192

約数和(自身を含む): 50867481600

約数和(自身を除く): 30088585206

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 38, 46, 57, 67, 69, 89, 114, 134, 138, 171, 178, 201, 207, 267, 342, 402, 414, 437, 443, 534, 603, 801, 874, 886, 1206, 1273, 1311, 1329, 1541, 1602, 1691, 2047, 2546, 2622, 2658, 3082, 3382, 3819, 3933, 3987, 4094, 4623, 5073, 5963, 6141, 7638, 7866, 7974, 8417, 9246, 10146, 10189, 11457, 11926, 12282, 13869, 15219, 16834, 17889, 18423, 20378, 22914, 25251, 27738, 29279, 29681, 30438, 30567, 35778, 36846, 38893, 39427, 50502, 53667, 58558, 59362, 61134, 75753, 77786, 78854, 87837, 89043, 91701, 107334, 113297, 116679, 118281, 137149, 151506, 175674, 178086, 183402, 193591, 226594, 233358, 236562, 263511, 267129, 274298, 339891, 350037, 354843, 387182, 411447, 527022, 534258, 563939, 580773, 679782, 682663, 700074, 709686, 749113, 822894, 906821, 1019673, 1127878, 1161546, 1234341, 1365326, 1498226, 1691817, 1742319, 1813642, 2039346, 2047989, 2247339, 2468682, 2605831, 2641609, 2720463, 3383634, 3484638, 4095978, 4494678, 5075451, 5211662, 5283218, 5440926, 6143967, 6742017, 7817493, 7924827, 8161389, 10150902, 12287934, 12970597, 13484034, 15634986, 15849654, 16322778, 17229599, 23452479, 23774481, 25941194, 34459198, 38911791, 46904958, 47548962, 50190571, 51688797, 60757007, 77823582, 100381142, 103377594, 116735373, 121514014, 150571713, 155066391, 182271021, 233470746, 301143426, 310132782, 364542042, 451715139, 546813063, 903430278, 1093626126, 1154383133, 2308766266, 3463149399, 6926298798, 10389448197, 20778896394]

約数ペア:

[(1, 20778896394), (2, 10389448197), (3, 6926298798), (6, 3463149399), (9, 2308766266), (18, 1154383133), (19, 1093626126), (23, 903430278), (38, 546813063), (46, 451715139), (57, 364542042), (67, 310132782), (69, 301143426), (89, 233470746), (114, 182271021), (134, 155066391), (138, 150571713), (171, 121514014), (178, 116735373), (201, 103377594), (207, 100381142), (267, 77823582), (342, 60757007), (402, 51688797), (414, 50190571), (437, 47548962), (443, 46904958), (534, 38911791), (603, 34459198), (801, 25941194), (874, 23774481), (886, 23452479), (1206, 17229599), (1273, 16322778), (1311, 15849654), (1329, 15634986), (1541, 13484034), (1602, 12970597), (1691, 12287934), (2047, 10150902), (2546, 8161389), (2622, 7924827), (2658, 7817493), (3082, 6742017), (3382, 6143967), (3819, 5440926), (3933, 5283218), (3987, 5211662), (4094, 5075451), (4623, 4494678), (5073, 4095978), (5963, 3484638), (6141, 3383634), (7638, 2720463), (7866, 2641609), (7974, 2605831), (8417, 2468682), (9246, 2247339), (10146, 2047989), (10189, 2039346), (11457, 1813642), (11926, 1742319), (12282, 1691817), (13869, 1498226), (15219, 1365326), (16834, 1234341), (17889, 1161546), (18423, 1127878), (20378, 1019673), (22914, 906821), (25251, 822894), (27738, 749113), (29279, 709686), (29681, 700074), (30438, 682663), (30567, 679782), (35778, 580773), (36846, 563939), (38893, 534258), (39427, 527022), (50502, 411447), (53667, 387182), (58558, 354843), (59362, 350037), (61134, 339891), (75753, 274298), (77786, 267129), (78854, 263511), (87837, 236562), (89043, 233358), (91701, 226594), (107334, 193591), (113297, 183402), (116679, 178086), (118281, 175674), (137149, 151506)]