20898165120

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{36161}}^1$

素因数の和:36233

約数の個数: 256

約数和(自身を含む): 77901626880

約数和(自身を除く): 57003461760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 43, 48, 56, 60, 64, 70, 80, 84, 86, 96, 105, 112, 120, 128, 129, 140, 160, 168, 172, 192, 210, 215, 224, 240, 258, 280, 301, 320, 336, 344, 384, 420, 430, 448, 480, 516, 560, 602, 640, 645, 672, 688, 840, 860, 896, 903, 960, 1032, 1120, 1204, 1290, 1344, 1376, 1505, 1680, 1720, 1806, 1920, 2064, 2240, 2408, 2580, 2688, 2752, 3010, 3360, 3440, 3612, 4128, 4480, 4515, 4816, 5160, 5504, 6020, 6720, 6880, 7224, 8256, 9030, 9632, 10320, 12040, 13440, 13760, 14448, 16512, 18060, 19264, 20640, 24080, 27520, 28896, 36120, 36161, 38528, 41280, 48160, 57792, 72240, 72322, 82560, 96320, 108483, 115584, 144480, 144644, 180805, 192640, 216966, 253127, 288960, 289288, 361610, 433932, 506254, 542415, 577920, 578576, 723220, 759381, 867864, 1012508, 1084830, 1157152, 1265635, 1446440, 1518762, 1554923, 1735728, 2025016, 2169660, 2314304, 2531270, 2892880, 3037524, 3109846, 3471456, 3796905, 4050032, 4339320, 4628608, 4664769, 5062540, 5785760, 6075048, 6219692, 6942912, 7593810, 7774615, 8100064, 8678640, 9329538, 10125080, 10884461, 11571520, 12150096, 12439384, 13885824, 15187620, 15549230, 16200128, 17357280, 18659076, 20250160, 21768922, 23143040, 23323845, 24300192, 24878768, 30375240, 31098460, 32400256, 32653383, 34714560, 37318152, 40500320, 43537844, 46647690, 48600384, 49757536, 54422305, 60750480, 62196920, 65306766, 69429120, 74636304, 81000640, 87075688, 93295380, 97200768, 99515072, 108844610, 121500960, 124393840, 130613532, 149272608, 162001280, 163266915, 174151376, 186590760, 199030144, 217689220, 243001920, 248787680, 261227064, 298545216, 326533830, 348302752, 373181520, 435378440, 486003840, 497575360, 522454128, 597090432, 653067660, 696605504, 746363040, 870756880, 995150720, 1044908256, 1306135320, 1393211008, 1492726080, 1741513760, 2089816512, 2612270640, 2985452160, 3483027520, 4179633024, 5224541280, 6966055040, 10449082560, 20898165120]

約数ペア:

[(1, 20898165120), (2, 10449082560), (3, 6966055040), (4, 5224541280), (5, 4179633024), (6, 3483027520), (7, 2985452160), (8, 2612270640), (10, 2089816512), (12, 1741513760), (14, 1492726080), (15, 1393211008), (16, 1306135320), (20, 1044908256), (21, 995150720), (24, 870756880), (28, 746363040), (30, 696605504), (32, 653067660), (35, 597090432), (40, 522454128), (42, 497575360), (43, 486003840), (48, 435378440), (56, 373181520), (60, 348302752), (64, 326533830), (70, 298545216), (80, 261227064), (84, 248787680), (86, 243001920), (96, 217689220), (105, 199030144), (112, 186590760), (120, 174151376), (128, 163266915), (129, 162001280), (140, 149272608), (160, 130613532), (168, 124393840), (172, 121500960), (192, 108844610), (210, 99515072), (215, 97200768), (224, 93295380), (240, 87075688), (258, 81000640), (280, 74636304), (301, 69429120), (320, 65306766), (336, 62196920), (344, 60750480), (384, 54422305), (420, 49757536), (430, 48600384), (448, 46647690), (480, 43537844), (516, 40500320), (560, 37318152), (602, 34714560), (640, 32653383), (645, 32400256), (672, 31098460), (688, 30375240), (840, 24878768), (860, 24300192), (896, 23323845), (903, 23143040), (960, 21768922), (1032, 20250160), (1120, 18659076), (1204, 17357280), (1290, 16200128), (1344, 15549230), (1376, 15187620), (1505, 13885824), (1680, 12439384), (1720, 12150096), (1806, 11571520), (1920, 10884461), (2064, 10125080), (2240, 9329538), (2408, 8678640), (2580, 8100064), (2688, 7774615), (2752, 7593810), (3010, 6942912), (3360, 6219692), (3440, 6075048), (3612, 5785760), (4128, 5062540), (4480, 4664769), (4515, 4628608), (4816, 4339320), (5160, 4050032), (5504, 3796905), (6020, 3471456), (6720, 3109846), (6880, 3037524), (7224, 2892880), (8256, 2531270), (9030, 2314304), (9632, 2169660), (10320, 2025016), (12040, 1735728), (13440, 1554923), (13760, 1518762), (14448, 1446440), (16512, 1265635), (18060, 1157152), (19264, 1084830), (20640, 1012508), (24080, 867864), (27520, 759381), (28896, 723220), (36120, 578576), (36161, 577920), (38528, 542415), (41280, 506254), (48160, 433932), (57792, 361610), (72240, 289288), (72322, 288960), (82560, 253127), (96320, 216966), (108483, 192640), (115584, 180805), (144480, 144644)]