20956526388

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{463}}^1\times {\mathrm{2851}}^1$

素因数の和:3344

約数の個数: 180

約数和(自身を含む): 63888952512

約数和(自身を除く): 42932426124

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 252, 294, 324, 378, 441, 463, 567, 588, 756, 882, 926, 1134, 1323, 1389, 1764, 1852, 2268, 2646, 2778, 2851, 3241, 3969, 4167, 5292, 5556, 5702, 6482, 7938, 8334, 8553, 9723, 11404, 12501, 12964, 15876, 16668, 17106, 19446, 19957, 22687, 25002, 25659, 29169, 34212, 37503, 38892, 39914, 45374, 50004, 51318, 58338, 59871, 68061, 75006, 76977, 79828, 87507, 90748, 102636, 116676, 119742, 136122, 139699, 150012, 153954, 175014, 179613, 204183, 230931, 239484, 262521, 272244, 279398, 307908, 350028, 359226, 408366, 419097, 461862, 525042, 538839, 558796, 612549, 718452, 816732, 838194, 923724, 1050084, 1077678, 1225098, 1257291, 1320013, 1616517, 1676388, 1837647, 2155356, 2450196, 2514582, 2640026, 3233034, 3675294, 3771873, 3960039, 5029164, 5280052, 6466068, 7350588, 7543746, 7920078, 9240091, 11315619, 11880117, 15087492, 15840156, 18480182, 22631238, 23760234, 27720273, 35640351, 36960364, 45262476, 47520468, 55440546, 64680637, 71280702, 83160819, 106921053, 110881092, 129361274, 142561404, 166321638, 194041911, 213842106, 249482457, 258722548, 332643276, 388083822, 427684212, 498964914, 582125733, 748447371, 776167644, 997929828, 1164251466, 1496894742, 1746377199, 2328502932, 2993789484, 3492754398, 5239131597, 6985508796, 10478263194, 20956526388]

約数ペア:

[(1, 20956526388), (2, 10478263194), (3, 6985508796), (4, 5239131597), (6, 3492754398), (7, 2993789484), (9, 2328502932), (12, 1746377199), (14, 1496894742), (18, 1164251466), (21, 997929828), (27, 776167644), (28, 748447371), (36, 582125733), (42, 498964914), (49, 427684212), (54, 388083822), (63, 332643276), (81, 258722548), (84, 249482457), (98, 213842106), (108, 194041911), (126, 166321638), (147, 142561404), (162, 129361274), (189, 110881092), (196, 106921053), (252, 83160819), (294, 71280702), (324, 64680637), (378, 55440546), (441, 47520468), (463, 45262476), (567, 36960364), (588, 35640351), (756, 27720273), (882, 23760234), (926, 22631238), (1134, 18480182), (1323, 15840156), (1389, 15087492), (1764, 11880117), (1852, 11315619), (2268, 9240091), (2646, 7920078), (2778, 7543746), (2851, 7350588), (3241, 6466068), (3969, 5280052), (4167, 5029164), (5292, 3960039), (5556, 3771873), (5702, 3675294), (6482, 3233034), (7938, 2640026), (8334, 2514582), (8553, 2450196), (9723, 2155356), (11404, 1837647), (12501, 1676388), (12964, 1616517), (15876, 1320013), (16668, 1257291), (17106, 1225098), (19446, 1077678), (19957, 1050084), (22687, 923724), (25002, 838194), (25659, 816732), (29169, 718452), (34212, 612549), (37503, 558796), (38892, 538839), (39914, 525042), (45374, 461862), (50004, 419097), (51318, 408366), (58338, 359226), (59871, 350028), (68061, 307908), (75006, 279398), (76977, 272244), (79828, 262521), (87507, 239484), (90748, 230931), (102636, 204183), (116676, 179613), (119742, 175014), (136122, 153954), (139699, 150012)]