20818811520

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{278029}}^1$

素因数の和:278067

約数の個数: 192

約数和(自身を含む): 77420233800

約数和(自身を除く): 56601422280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 128, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 384, 390, 416, 468, 480, 520, 576, 585, 624, 640, 720, 780, 832, 936, 960, 1040, 1152, 1170, 1248, 1440, 1560, 1664, 1872, 1920, 2080, 2340, 2496, 2880, 3120, 3744, 4160, 4680, 4992, 5760, 6240, 7488, 8320, 9360, 12480, 14976, 18720, 24960, 37440, 74880, 278029, 556058, 834087, 1112116, 1390145, 1668174, 2224232, 2502261, 2780290, 3336348, 3614377, 4170435, 4448464, 5004522, 5560580, 6672696, 7228754, 8340870, 8896928, 10009044, 10843131, 11121160, 12511305, 13345392, 14457508, 16681740, 17793856, 18071885, 20018088, 21686262, 22242320, 25022610, 26690784, 28915016, 32529393, 33363480, 35587712, 36143770, 40036176, 43372524, 44484640, 50045220, 53381568, 54215655, 57830032, 65058786, 66726960, 72287540, 80072352, 86745048, 88969280, 100090440, 106763136, 108431310, 115660064, 130117572, 133453920, 144575080, 160144704, 162646965, 173490096, 177938560, 200180880, 216862620, 231320128, 260235144, 266907840, 289150160, 320289408, 325293930, 346980192, 400361760, 433725240, 462640256, 520470288, 533815680, 578300320, 650587860, 693960384, 800723520, 867450480, 1040940576, 1156600640, 1301175720, 1387920768, 1601447040, 1734900960, 2081881152, 2313201280, 2602351440, 3469801920, 4163762304, 5204702880, 6939603840, 10409405760, 20818811520]

約数ペア:

[(1, 20818811520), (2, 10409405760), (3, 6939603840), (4, 5204702880), (5, 4163762304), (6, 3469801920), (8, 2602351440), (9, 2313201280), (10, 2081881152), (12, 1734900960), (13, 1601447040), (15, 1387920768), (16, 1301175720), (18, 1156600640), (20, 1040940576), (24, 867450480), (26, 800723520), (30, 693960384), (32, 650587860), (36, 578300320), (39, 533815680), (40, 520470288), (45, 462640256), (48, 433725240), (52, 400361760), (60, 346980192), (64, 325293930), (65, 320289408), (72, 289150160), (78, 266907840), (80, 260235144), (90, 231320128), (96, 216862620), (104, 200180880), (117, 177938560), (120, 173490096), (128, 162646965), (130, 160144704), (144, 144575080), (156, 133453920), (160, 130117572), (180, 115660064), (192, 108431310), (195, 106763136), (208, 100090440), (234, 88969280), (240, 86745048), (260, 80072352), (288, 72287540), (312, 66726960), (320, 65058786), (360, 57830032), (384, 54215655), (390, 53381568), (416, 50045220), (468, 44484640), (480, 43372524), (520, 40036176), (576, 36143770), (585, 35587712), (624, 33363480), (640, 32529393), (720, 28915016), (780, 26690784), (832, 25022610), (936, 22242320), (960, 21686262), (1040, 20018088), (1152, 18071885), (1170, 17793856), (1248, 16681740), (1440, 14457508), (1560, 13345392), (1664, 12511305), (1872, 11121160), (1920, 10843131), (2080, 10009044), (2340, 8896928), (2496, 8340870), (2880, 7228754), (3120, 6672696), (3744, 5560580), (4160, 5004522), (4680, 4448464), (4992, 4170435), (5760, 3614377), (6240, 3336348), (7488, 2780290), (8320, 2502261), (9360, 2224232), (12480, 1668174), (14976, 1390145), (18720, 1112116), (24960, 834087), (37440, 556058), (74880, 278029)]