20458418880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{19861}}^1$

素因数の和:19947

約数の個数: 224

約数和(自身を含む): 69014888640

約数和(自身を除く): 48556469760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 37, 40, 48, 58, 60, 64, 74, 80, 87, 96, 111, 116, 120, 145, 148, 160, 174, 185, 192, 222, 232, 240, 290, 296, 320, 348, 370, 435, 444, 464, 480, 555, 580, 592, 696, 740, 870, 888, 928, 960, 1073, 1110, 1160, 1184, 1392, 1480, 1740, 1776, 1856, 2146, 2220, 2320, 2368, 2784, 2960, 3219, 3480, 3552, 4292, 4440, 4640, 5365, 5568, 5920, 6438, 6960, 7104, 8584, 8880, 9280, 10730, 11840, 12876, 13920, 16095, 17168, 17760, 19861, 21460, 25752, 27840, 32190, 34336, 35520, 39722, 42920, 51504, 59583, 64380, 68672, 79444, 85840, 99305, 103008, 119166, 128760, 158888, 171680, 198610, 206016, 238332, 257520, 297915, 317776, 343360, 397220, 476664, 515040, 575969, 595830, 635552, 734857, 794440, 953328, 1030080, 1151938, 1191660, 1271104, 1469714, 1588880, 1727907, 1906656, 2204571, 2303876, 2383320, 2879845, 2939428, 3177760, 3455814, 3674285, 3813312, 4409142, 4607752, 4766640, 5759690, 5878856, 6355520, 6911628, 7348570, 8639535, 8818284, 9215504, 9533280, 11022855, 11519380, 11757712, 13823256, 14697140, 17279070, 17636568, 18431008, 19066560, 21310853, 22045710, 23038760, 23515424, 27646512, 29394280, 34558140, 35273136, 36862016, 42621706, 44091420, 46077520, 47030848, 55293024, 58788560, 63932559, 69116280, 70546272, 85243412, 88182840, 92155040, 106554265, 110586048, 117577120, 127865118, 138232560, 141092544, 170486824, 176365680, 184310080, 213108530, 235154240, 255730236, 276465120, 319662795, 340973648, 352731360, 426217060, 511460472, 552930240, 639325590, 681947296, 705462720, 852434120, 1022920944, 1278651180, 1363894592, 1704868240, 2045841888, 2557302360, 3409736480, 4091683776, 5114604720, 6819472960, 10229209440, 20458418880]

約数ペア:

[(1, 20458418880), (2, 10229209440), (3, 6819472960), (4, 5114604720), (5, 4091683776), (6, 3409736480), (8, 2557302360), (10, 2045841888), (12, 1704868240), (15, 1363894592), (16, 1278651180), (20, 1022920944), (24, 852434120), (29, 705462720), (30, 681947296), (32, 639325590), (37, 552930240), (40, 511460472), (48, 426217060), (58, 352731360), (60, 340973648), (64, 319662795), (74, 276465120), (80, 255730236), (87, 235154240), (96, 213108530), (111, 184310080), (116, 176365680), (120, 170486824), (145, 141092544), (148, 138232560), (160, 127865118), (174, 117577120), (185, 110586048), (192, 106554265), (222, 92155040), (232, 88182840), (240, 85243412), (290, 70546272), (296, 69116280), (320, 63932559), (348, 58788560), (370, 55293024), (435, 47030848), (444, 46077520), (464, 44091420), (480, 42621706), (555, 36862016), (580, 35273136), (592, 34558140), (696, 29394280), (740, 27646512), (870, 23515424), (888, 23038760), (928, 22045710), (960, 21310853), (1073, 19066560), (1110, 18431008), (1160, 17636568), (1184, 17279070), (1392, 14697140), (1480, 13823256), (1740, 11757712), (1776, 11519380), (1856, 11022855), (2146, 9533280), (2220, 9215504), (2320, 8818284), (2368, 8639535), (2784, 7348570), (2960, 6911628), (3219, 6355520), (3480, 5878856), (3552, 5759690), (4292, 4766640), (4440, 4607752), (4640, 4409142), (5365, 3813312), (5568, 3674285), (5920, 3455814), (6438, 3177760), (6960, 2939428), (7104, 2879845), (8584, 2383320), (8880, 2303876), (9280, 2204571), (10730, 1906656), (11840, 1727907), (12876, 1588880), (13920, 1469714), (16095, 1271104), (17168, 1191660), (17760, 1151938), (19861, 1030080), (21460, 953328), (25752, 794440), (27840, 734857), (32190, 635552), (34336, 595830), (35520, 575969), (39722, 515040), (42920, 476664), (51504, 397220), (59583, 343360), (64380, 317776), (68672, 297915), (79444, 257520), (85840, 238332), (99305, 206016), (103008, 198610), (119166, 171680), (128760, 158888)]