20621008408

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{433}}^1$

素因数の和:802

約数の個数: 256

約数和(自身を含む): 54946483200

約数和(自身を除く): 34325474792

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 19, 22, 26, 28, 38, 44, 52, 56, 76, 77, 88, 91, 104, 133, 143, 152, 154, 182, 209, 247, 266, 286, 308, 313, 364, 418, 433, 494, 532, 572, 616, 626, 728, 836, 866, 988, 1001, 1064, 1144, 1252, 1463, 1672, 1729, 1732, 1976, 2002, 2191, 2504, 2717, 2926, 3031, 3443, 3458, 3464, 4004, 4069, 4382, 4763, 5434, 5629, 5852, 5947, 6062, 6886, 6916, 8008, 8138, 8227, 8764, 9526, 10868, 11258, 11704, 11894, 12124, 13772, 13832, 16276, 16454, 17528, 19019, 19052, 21736, 22516, 23788, 24101, 24248, 27544, 28483, 32552, 32908, 33341, 38038, 38104, 39403, 41629, 44759, 45032, 47576, 48202, 56966, 57589, 61919, 65417, 65816, 66682, 76076, 77311, 78806, 83258, 89518, 90497, 96404, 106951, 113932, 115178, 123838, 130834, 133364, 135529, 152152, 154622, 157612, 166516, 179036, 180994, 192808, 213902, 227864, 230356, 247676, 261668, 266728, 271058, 309244, 313313, 315224, 333032, 358072, 361988, 427804, 433433, 457919, 460712, 495352, 523336, 541177, 542116, 618488, 626626, 633479, 723976, 748657, 850421, 855608, 866866, 915838, 948703, 1082354, 1084232, 1176461, 1253252, 1266958, 1490819, 1497314, 1700842, 1733732, 1761877, 1831676, 1897406, 2164708, 2352922, 2506504, 2533916, 2575051, 2981638, 2994628, 3401684, 3467464, 3523754, 3663352, 3794812, 4329416, 4705844, 5067832, 5150102, 5952947, 5963276, 5989256, 6803368, 7047508, 7589624, 8235227, 9411688, 10300204, 10435733, 11905894, 11926552, 12333139, 14095016, 16470454, 18025357, 19380647, 20600408, 20871466, 23811788, 24666278, 28325561, 32940908, 33475663, 36050714, 38761294, 41742932, 47623576, 49332556, 56651122, 65881816, 66951326, 72101428, 77522588, 83485864, 98665112, 113302244, 133902652, 135664529, 144202856, 155045176, 198278927, 226604488, 234329641, 267805304, 271329058, 368232293, 396557854, 468659282, 542658116, 736464586, 793115708, 937318564, 1085316232, 1472929172, 1586231416, 1874637128, 2577626051, 2945858344, 5155252102, 10310504204, 20621008408]

約数ペア:

[(1, 20621008408), (2, 10310504204), (4, 5155252102), (7, 2945858344), (8, 2577626051), (11, 1874637128), (13, 1586231416), (14, 1472929172), (19, 1085316232), (22, 937318564), (26, 793115708), (28, 736464586), (38, 542658116), (44, 468659282), (52, 396557854), (56, 368232293), (76, 271329058), (77, 267805304), (88, 234329641), (91, 226604488), (104, 198278927), (133, 155045176), (143, 144202856), (152, 135664529), (154, 133902652), (182, 113302244), (209, 98665112), (247, 83485864), (266, 77522588), (286, 72101428), (308, 66951326), (313, 65881816), (364, 56651122), (418, 49332556), (433, 47623576), (494, 41742932), (532, 38761294), (572, 36050714), (616, 33475663), (626, 32940908), (728, 28325561), (836, 24666278), (866, 23811788), (988, 20871466), (1001, 20600408), (1064, 19380647), (1144, 18025357), (1252, 16470454), (1463, 14095016), (1672, 12333139), (1729, 11926552), (1732, 11905894), (1976, 10435733), (2002, 10300204), (2191, 9411688), (2504, 8235227), (2717, 7589624), (2926, 7047508), (3031, 6803368), (3443, 5989256), (3458, 5963276), (3464, 5952947), (4004, 5150102), (4069, 5067832), (4382, 4705844), (4763, 4329416), (5434, 3794812), (5629, 3663352), (5852, 3523754), (5947, 3467464), (6062, 3401684), (6886, 2994628), (6916, 2981638), (8008, 2575051), (8138, 2533916), (8227, 2506504), (8764, 2352922), (9526, 2164708), (10868, 1897406), (11258, 1831676), (11704, 1761877), (11894, 1733732), (12124, 1700842), (13772, 1497314), (13832, 1490819), (16276, 1266958), (16454, 1253252), (17528, 1176461), (19019, 1084232), (19052, 1082354), (21736, 948703), (22516, 915838), (23788, 866866), (24101, 855608), (24248, 850421), (27544, 748657), (28483, 723976), (32552, 633479), (32908, 626626), (33341, 618488), (38038, 542116), (38104, 541177), (39403, 523336), (41629, 495352), (44759, 460712), (45032, 457919), (47576, 433433), (48202, 427804), (56966, 361988), (57589, 358072), (61919, 333032), (65417, 315224), (65816, 313313), (66682, 309244), (76076, 271058), (77311, 266728), (78806, 261668), (83258, 247676), (89518, 230356), (90497, 227864), (96404, 213902), (106951, 192808), (113932, 180994), (115178, 179036), (123838, 166516), (130834, 157612), (133364, 154622), (135529, 152152)]