20178023778

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:390

約数の個数: 256

約数和(自身を含む): 51974369280

約数和(自身を除く): 31796345502

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 37, 54, 66, 67, 71, 74, 99, 111, 134, 142, 193, 198, 201, 213, 222, 297, 333, 386, 402, 407, 426, 579, 594, 603, 639, 666, 737, 781, 814, 999, 1158, 1206, 1221, 1278, 1474, 1562, 1737, 1809, 1917, 1998, 2123, 2211, 2343, 2442, 2479, 2627, 3474, 3618, 3663, 3834, 4246, 4422, 4686, 4757, 4958, 5211, 5254, 6369, 6633, 7029, 7141, 7326, 7437, 7881, 9514, 10422, 10989, 12738, 12931, 13266, 13703, 14058, 14271, 14282, 14874, 15762, 19107, 19899, 21087, 21423, 21978, 22311, 23643, 25862, 27269, 27406, 28542, 28897, 38214, 38793, 39798, 41109, 42174, 42813, 42846, 44622, 47286, 52327, 54538, 57321, 57794, 64269, 66933, 70929, 77586, 78551, 81807, 82218, 85626, 86691, 104654, 114642, 116379, 123327, 128439, 128538, 133866, 141858, 142241, 150733, 156981, 157102, 163614, 173382, 176009, 192807, 232758, 235653, 245421, 246654, 256878, 260073, 284482, 301466, 313962, 349137, 352018, 369981, 385614, 426723, 452199, 470943, 471306, 478447, 490842, 507011, 520146, 528027, 698274, 706959, 736263, 739962, 780219, 853446, 904398, 918101, 941886, 956894, 1014022, 1056054, 1280169, 1356597, 1412829, 1413918, 1435341, 1472526, 1521033, 1560438, 1584081, 1836202, 1936099, 2120877, 2560338, 2713194, 2754303, 2825658, 2870682, 3042066, 3168162, 3840507, 3872198, 4069791, 4241754, 4306023, 4563099, 4752243, 5262917, 5508606, 5577121, 5808297, 7681014, 8139582, 8262909, 8612046, 9126198, 9504486, 10099111, 10525834, 11154242, 11616594, 12918069, 13689297, 15788751, 16525818, 16731363, 17424891, 20198222, 24788727, 25836138, 27378594, 30297333, 31577502, 33462726, 33969737, 34849782, 47366253, 49577454, 50194089, 52274673, 60594666, 67939474, 90891999, 94732506, 100388178, 101909211, 104549346, 142098759, 150582267, 181783998, 203818422, 272675997, 284197518, 301164534, 305727633, 373667107, 545351994, 611455266, 747334214, 917182899, 1121001321, 1834365798, 2242002642, 3363003963, 6726007926, 10089011889, 20178023778]

約数ペア:

[(1, 20178023778), (2, 10089011889), (3, 6726007926), (6, 3363003963), (9, 2242002642), (11, 1834365798), (18, 1121001321), (22, 917182899), (27, 747334214), (33, 611455266), (37, 545351994), (54, 373667107), (66, 305727633), (67, 301164534), (71, 284197518), (74, 272675997), (99, 203818422), (111, 181783998), (134, 150582267), (142, 142098759), (193, 104549346), (198, 101909211), (201, 100388178), (213, 94732506), (222, 90891999), (297, 67939474), (333, 60594666), (386, 52274673), (402, 50194089), (407, 49577454), (426, 47366253), (579, 34849782), (594, 33969737), (603, 33462726), (639, 31577502), (666, 30297333), (737, 27378594), (781, 25836138), (814, 24788727), (999, 20198222), (1158, 17424891), (1206, 16731363), (1221, 16525818), (1278, 15788751), (1474, 13689297), (1562, 12918069), (1737, 11616594), (1809, 11154242), (1917, 10525834), (1998, 10099111), (2123, 9504486), (2211, 9126198), (2343, 8612046), (2442, 8262909), (2479, 8139582), (2627, 7681014), (3474, 5808297), (3618, 5577121), (3663, 5508606), (3834, 5262917), (4246, 4752243), (4422, 4563099), (4686, 4306023), (4757, 4241754), (4958, 4069791), (5211, 3872198), (5254, 3840507), (6369, 3168162), (6633, 3042066), (7029, 2870682), (7141, 2825658), (7326, 2754303), (7437, 2713194), (7881, 2560338), (9514, 2120877), (10422, 1936099), (10989, 1836202), (12738, 1584081), (12931, 1560438), (13266, 1521033), (13703, 1472526), (14058, 1435341), (14271, 1413918), (14282, 1412829), (14874, 1356597), (15762, 1280169), (19107, 1056054), (19899, 1014022), (21087, 956894), (21423, 941886), (21978, 918101), (22311, 904398), (23643, 853446), (25862, 780219), (27269, 739962), (27406, 736263), (28542, 706959), (28897, 698274), (38214, 528027), (38793, 520146), (39798, 507011), (41109, 490842), (42174, 478447), (42813, 471306), (42846, 470943), (44622, 452199), (47286, 426723), (52327, 385614), (54538, 369981), (57321, 352018), (57794, 349137), (64269, 313962), (66933, 301466), (70929, 284482), (77586, 260073), (78551, 256878), (81807, 246654), (82218, 245421), (85626, 235653), (86691, 232758), (104654, 192807), (114642, 176009), (116379, 173382), (123327, 163614), (128439, 157102), (128538, 156981), (133866, 150733), (141858, 142241)]