20284375384

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:478

約数の個数: 256

約数和(自身を含む): 51079230720

約数和(自身を除く): 30794855336

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 61, 68, 91, 97, 104, 119, 122, 136, 182, 194, 221, 238, 244, 277, 364, 388, 427, 442, 476, 488, 554, 679, 728, 776, 793, 854, 884, 952, 1037, 1108, 1261, 1358, 1547, 1586, 1649, 1708, 1768, 1939, 2074, 2216, 2522, 2716, 3094, 3172, 3298, 3416, 3601, 3878, 4148, 4709, 5044, 5432, 5551, 5917, 6188, 6344, 6596, 7202, 7259, 7756, 8296, 8827, 9418, 10088, 11102, 11543, 11834, 12376, 13192, 13481, 14404, 14518, 15512, 16897, 17654, 18836, 21437, 22204, 23086, 23668, 25207, 26869, 26962, 28808, 29036, 32963, 33794, 35308, 37672, 41419, 42874, 44408, 46172, 47336, 50414, 53738, 53924, 58072, 61217, 65926, 67588, 70616, 76921, 82838, 85748, 92344, 94367, 100589, 100828, 107476, 107848, 118279, 122434, 131852, 135176, 150059, 153842, 165676, 171496, 188083, 188734, 201178, 201656, 214952, 219661, 236558, 244868, 263704, 287249, 300118, 307684, 331352, 349297, 376166, 377468, 402356, 428519, 439322, 456773, 473116, 489736, 538447, 574498, 600236, 615368, 698594, 704123, 752332, 754936, 804712, 857038, 878644, 913546, 946232, 1076894, 1148996, 1200472, 1307657, 1397188, 1408246, 1504664, 1537627, 1639009, 1714076, 1757288, 1827092, 2010743, 2153788, 2297992, 2445079, 2615314, 2794376, 2816492, 3075254, 3197411, 3278018, 3428152, 3654184, 3734237, 4021486, 4307576, 4890158, 5230628, 5632984, 5938049, 6150508, 6394822, 6556036, 7468474, 8042972, 9153599, 9780316, 10461256, 11473063, 11876098, 12301016, 12789644, 13112072, 14936948, 16085944, 18307198, 19560632, 21307117, 22946126, 23752196, 25579288, 26139659, 27863153, 29873896, 36614396, 41566343, 42614234, 45892252, 47504392, 52279318, 55726306, 73228792, 83132686, 85228468, 91784504, 104558636, 111452612, 149149819, 166265372, 170456936, 195042071, 209117272, 222905224, 298299638, 332530744, 362220989, 390084142, 596599276, 724441978, 780168284, 1193198552, 1448883956, 1560336568, 2535546923, 2897767912, 5071093846, 10142187692, 20284375384]

約数ペア:

[(1, 20284375384), (2, 10142187692), (4, 5071093846), (7, 2897767912), (8, 2535546923), (13, 1560336568), (14, 1448883956), (17, 1193198552), (26, 780168284), (28, 724441978), (34, 596599276), (52, 390084142), (56, 362220989), (61, 332530744), (68, 298299638), (91, 222905224), (97, 209117272), (104, 195042071), (119, 170456936), (122, 166265372), (136, 149149819), (182, 111452612), (194, 104558636), (221, 91784504), (238, 85228468), (244, 83132686), (277, 73228792), (364, 55726306), (388, 52279318), (427, 47504392), (442, 45892252), (476, 42614234), (488, 41566343), (554, 36614396), (679, 29873896), (728, 27863153), (776, 26139659), (793, 25579288), (854, 23752196), (884, 22946126), (952, 21307117), (1037, 19560632), (1108, 18307198), (1261, 16085944), (1358, 14936948), (1547, 13112072), (1586, 12789644), (1649, 12301016), (1708, 11876098), (1768, 11473063), (1939, 10461256), (2074, 9780316), (2216, 9153599), (2522, 8042972), (2716, 7468474), (3094, 6556036), (3172, 6394822), (3298, 6150508), (3416, 5938049), (3601, 5632984), (3878, 5230628), (4148, 4890158), (4709, 4307576), (5044, 4021486), (5432, 3734237), (5551, 3654184), (5917, 3428152), (6188, 3278018), (6344, 3197411), (6596, 3075254), (7202, 2816492), (7259, 2794376), (7756, 2615314), (8296, 2445079), (8827, 2297992), (9418, 2153788), (10088, 2010743), (11102, 1827092), (11543, 1757288), (11834, 1714076), (12376, 1639009), (13192, 1537627), (13481, 1504664), (14404, 1408246), (14518, 1397188), (15512, 1307657), (16897, 1200472), (17654, 1148996), (18836, 1076894), (21437, 946232), (22204, 913546), (23086, 878644), (23668, 857038), (25207, 804712), (26869, 754936), (26962, 752332), (28808, 704123), (29036, 698594), (32963, 615368), (33794, 600236), (35308, 574498), (37672, 538447), (41419, 489736), (42874, 473116), (44408, 456773), (46172, 439322), (47336, 428519), (50414, 402356), (53738, 377468), (53924, 376166), (58072, 349297), (61217, 331352), (65926, 307684), (67588, 300118), (70616, 287249), (76921, 263704), (82838, 244868), (85748, 236558), (92344, 219661), (94367, 214952), (100589, 201656), (100828, 201178), (107476, 188734), (107848, 188083), (118279, 171496), (122434, 165676), (131852, 153842), (135176, 150059)]