20881316976

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1\times {\mathrm{733}}^1$

素因数の和:1471

約数の個数: 160

約数和(自身を含む): 59083218432

約数和(自身を除く): 38201901456

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 71, 78, 104, 142, 156, 208, 213, 284, 312, 426, 568, 624, 643, 733, 852, 923, 1136, 1286, 1466, 1704, 1846, 1929, 2199, 2572, 2769, 2932, 3408, 3692, 3858, 4398, 5144, 5538, 5864, 7384, 7716, 8359, 8796, 9529, 10288, 11076, 11728, 14768, 15432, 16718, 17592, 19058, 22152, 25077, 28587, 30864, 33436, 35184, 38116, 44304, 45653, 50154, 52043, 57174, 66872, 76232, 91306, 100308, 104086, 114348, 133744, 136959, 152464, 156129, 182612, 200616, 208172, 228696, 273918, 312258, 365224, 401232, 416344, 457392, 471319, 547836, 593489, 624516, 676559, 730448, 832688, 942638, 1095672, 1186978, 1249032, 1353118, 1413957, 1780467, 1885276, 2029677, 2191344, 2373956, 2498064, 2706236, 2827914, 3560934, 3770552, 4059354, 4747912, 5412472, 5655828, 6127147, 7121868, 7541104, 8118708, 9495824, 10824944, 11311656, 12254294, 14243736, 16237416, 18381441, 22623312, 24508588, 28487472, 32474832, 33463649, 36762882, 49017176, 66927298, 73525764, 98034352, 100390947, 133854596, 147051528, 200781894, 267709192, 294103056, 401563788, 435027437, 535418384, 803127576, 870054874, 1305082311, 1606255152, 1740109748, 2610164622, 3480219496, 5220329244, 6960438992, 10440658488, 20881316976]

約数ペア:

[(1, 20881316976), (2, 10440658488), (3, 6960438992), (4, 5220329244), (6, 3480219496), (8, 2610164622), (12, 1740109748), (13, 1606255152), (16, 1305082311), (24, 870054874), (26, 803127576), (39, 535418384), (48, 435027437), (52, 401563788), (71, 294103056), (78, 267709192), (104, 200781894), (142, 147051528), (156, 133854596), (208, 100390947), (213, 98034352), (284, 73525764), (312, 66927298), (426, 49017176), (568, 36762882), (624, 33463649), (643, 32474832), (733, 28487472), (852, 24508588), (923, 22623312), (1136, 18381441), (1286, 16237416), (1466, 14243736), (1704, 12254294), (1846, 11311656), (1929, 10824944), (2199, 9495824), (2572, 8118708), (2769, 7541104), (2932, 7121868), (3408, 6127147), (3692, 5655828), (3858, 5412472), (4398, 4747912), (5144, 4059354), (5538, 3770552), (5864, 3560934), (7384, 2827914), (7716, 2706236), (8359, 2498064), (8796, 2373956), (9529, 2191344), (10288, 2029677), (11076, 1885276), (11728, 1780467), (14768, 1413957), (15432, 1353118), (16718, 1249032), (17592, 1186978), (19058, 1095672), (22152, 942638), (25077, 832688), (28587, 730448), (30864, 676559), (33436, 624516), (35184, 593489), (38116, 547836), (44304, 471319), (45653, 457392), (50154, 416344), (52043, 401232), (57174, 365224), (66872, 312258), (76232, 273918), (91306, 228696), (100308, 208172), (104086, 200616), (114348, 182612), (133744, 156129), (136959, 152464)]