20848320

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:172

約数の個数: 224

約数和(自身を含む): 78028800

約数和(自身を除く): 57180480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 127, 135, 144, 152, 160, 171, 180, 190, 192, 216, 228, 240, 254, 270, 285, 288, 304, 320, 342, 360, 380, 381, 432, 456, 480, 508, 513, 540, 570, 576, 608, 635, 684, 720, 760, 762, 855, 864, 912, 960, 1016, 1026, 1080, 1140, 1143, 1216, 1270, 1368, 1440, 1520, 1524, 1710, 1728, 1824, 1905, 2032, 2052, 2160, 2280, 2286, 2413, 2540, 2565, 2736, 2880, 3040, 3048, 3420, 3429, 3648, 3810, 4064, 4104, 4320, 4560, 4572, 4826, 5080, 5130, 5472, 5715, 6080, 6096, 6840, 6858, 7239, 7620, 8128, 8208, 8640, 9120, 9144, 9652, 10160, 10260, 10944, 11430, 12065, 12192, 13680, 13716, 14478, 15240, 16416, 17145, 18240, 18288, 19304, 20320, 20520, 21717, 22860, 24130, 24384, 27360, 27432, 28956, 30480, 32832, 34290, 36195, 36576, 38608, 40640, 41040, 43434, 45720, 48260, 54720, 54864, 57912, 60960, 65151, 68580, 72390, 73152, 77216, 82080, 86868, 91440, 96520, 108585, 109728, 115824, 121920, 130302, 137160, 144780, 154432, 164160, 173736, 182880, 193040, 217170, 219456, 231648, 260604, 274320, 289560, 325755, 347472, 365760, 386080, 434340, 463296, 521208, 548640, 579120, 651510, 694944, 772160, 868680, 1042416, 1097280, 1158240, 1303020, 1389888, 1737360, 2084832, 2316480, 2606040, 3474720, 4169664, 5212080, 6949440, 10424160, 20848320]

約数ペア:

[(1, 20848320), (2, 10424160), (3, 6949440), (4, 5212080), (5, 4169664), (6, 3474720), (8, 2606040), (9, 2316480), (10, 2084832), (12, 1737360), (15, 1389888), (16, 1303020), (18, 1158240), (19, 1097280), (20, 1042416), (24, 868680), (27, 772160), (30, 694944), (32, 651510), (36, 579120), (38, 548640), (40, 521208), (45, 463296), (48, 434340), (54, 386080), (57, 365760), (60, 347472), (64, 325755), (72, 289560), (76, 274320), (80, 260604), (90, 231648), (95, 219456), (96, 217170), (108, 193040), (114, 182880), (120, 173736), (127, 164160), (135, 154432), (144, 144780), (152, 137160), (160, 130302), (171, 121920), (180, 115824), (190, 109728), (192, 108585), (216, 96520), (228, 91440), (240, 86868), (254, 82080), (270, 77216), (285, 73152), (288, 72390), (304, 68580), (320, 65151), (342, 60960), (360, 57912), (380, 54864), (381, 54720), (432, 48260), (456, 45720), (480, 43434), (508, 41040), (513, 40640), (540, 38608), (570, 36576), (576, 36195), (608, 34290), (635, 32832), (684, 30480), (720, 28956), (760, 27432), (762, 27360), (855, 24384), (864, 24130), (912, 22860), (960, 21717), (1016, 20520), (1026, 20320), (1080, 19304), (1140, 18288), (1143, 18240), (1216, 17145), (1270, 16416), (1368, 15240), (1440, 14478), (1520, 13716), (1524, 13680), (1710, 12192), (1728, 12065), (1824, 11430), (1905, 10944), (2032, 10260), (2052, 10160), (2160, 9652), (2280, 9144), (2286, 9120), (2413, 8640), (2540, 8208), (2565, 8128), (2736, 7620), (2880, 7239), (3040, 6858), (3048, 6840), (3420, 6096), (3429, 6080), (3648, 5715), (3810, 5472), (4064, 5130), (4104, 5080), (4320, 4826), (4560, 4572)]