20796971760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{1123}}^1$

素因数の和:1265

約数の個数: 360

約数和(自身を含む): 75093698160

約数和(自身を除く): 54296726400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 89, 90, 102, 120, 136, 144, 153, 170, 178, 180, 204, 240, 255, 267, 272, 289, 306, 340, 356, 360, 408, 445, 510, 534, 578, 612, 680, 712, 720, 765, 801, 816, 867, 890, 1020, 1068, 1123, 1156, 1224, 1335, 1360, 1424, 1445, 1513, 1530, 1602, 1734, 1780, 2040, 2136, 2246, 2312, 2448, 2601, 2670, 2890, 3026, 3060, 3204, 3369, 3468, 3560, 4005, 4080, 4272, 4335, 4492, 4539, 4624, 5202, 5340, 5615, 5780, 6052, 6120, 6408, 6738, 6936, 7120, 7565, 8010, 8670, 8984, 9078, 10107, 10404, 10680, 11230, 11560, 12104, 12240, 12816, 13005, 13476, 13617, 13872, 15130, 16020, 16845, 17340, 17968, 18156, 19091, 20214, 20808, 21360, 22460, 22695, 23120, 24208, 25721, 26010, 26952, 27234, 30260, 32040, 33690, 34680, 36312, 38182, 40428, 41616, 44920, 45390, 50535, 51442, 52020, 53904, 54468, 57273, 60520, 64080, 67380, 68085, 69360, 72624, 76364, 77163, 80856, 89840, 90780, 95455, 99947, 101070, 102884, 104040, 108936, 114546, 121040, 128605, 134760, 136170, 152728, 154326, 161712, 171819, 181560, 190910, 199894, 202140, 205768, 208080, 217872, 229092, 231489, 257210, 269520, 272340, 286365, 299841, 305456, 308652, 324547, 343638, 363120, 381820, 385815, 399788, 404280, 411536, 458184, 462978, 499735, 514420, 544680, 572730, 599682, 617304, 649094, 687276, 763640, 771630, 799576, 808560, 859095, 899523, 916368, 925956, 973641, 999470, 1028840, 1089360, 1145460, 1157445, 1199364, 1234608, 1298188, 1374552, 1499205, 1527280, 1543260, 1599152, 1622735, 1699099, 1718190, 1799046, 1851912, 1947282, 1998940, 2057680, 2290920, 2314890, 2398728, 2596376, 2749104, 2920923, 2998410, 3086520, 3245470, 3398198, 3436380, 3598092, 3703824, 3894564, 3997880, 4497615, 4581840, 4629780, 4797456, 4868205, 5097297, 5192752, 5841846, 5996820, 6173040, 6490940, 6796396, 6872760, 7196184, 7789128, 7995760, 8495495, 8995230, 9259560, 9736410, 10194594, 11683692, 11993640, 12981880, 13592792, 13745520, 14392368, 14604615, 15291891, 15578256, 16990990, 17990460, 18519120, 19472820, 20389188, 23367384, 23987280, 25486485, 25963760, 27185584, 28884683, 29209230, 30583782, 33981980, 35980920, 38945640, 40778376, 46734768, 50972970, 57769366, 58418460, 61167564, 67963960, 71961840, 76459455, 77891280, 81556752, 86654049, 101945940, 115538732, 116836920, 122335128, 135927920, 144423415, 152918910, 173308098, 203891880, 231077464, 233673840, 244670256, 259962147, 288846830, 305837820, 346616196, 407783760, 433270245, 462154928, 519924294, 577693660, 611675640, 693232392, 866540490, 1039848588, 1155387320, 1223351280, 1299810735, 1386464784, 1733080980, 2079697176, 2310774640, 2599621470, 3466161960, 4159394352, 5199242940, 6932323920, 10398485880, 20796971760]

約数ペア:

[(1, 20796971760), (2, 10398485880), (3, 6932323920), (4, 5199242940), (5, 4159394352), (6, 3466161960), (8, 2599621470), (9, 2310774640), (10, 2079697176), (12, 1733080980), (15, 1386464784), (16, 1299810735), (17, 1223351280), (18, 1155387320), (20, 1039848588), (24, 866540490), (30, 693232392), (34, 611675640), (36, 577693660), (40, 519924294), (45, 462154928), (48, 433270245), (51, 407783760), (60, 346616196), (68, 305837820), (72, 288846830), (80, 259962147), (85, 244670256), (89, 233673840), (90, 231077464), (102, 203891880), (120, 173308098), (136, 152918910), (144, 144423415), (153, 135927920), (170, 122335128), (178, 116836920), (180, 115538732), (204, 101945940), (240, 86654049), (255, 81556752), (267, 77891280), (272, 76459455), (289, 71961840), (306, 67963960), (340, 61167564), (356, 58418460), (360, 57769366), (408, 50972970), (445, 46734768), (510, 40778376), (534, 38945640), (578, 35980920), (612, 33981980), (680, 30583782), (712, 29209230), (720, 28884683), (765, 27185584), (801, 25963760), (816, 25486485), (867, 23987280), (890, 23367384), (1020, 20389188), (1068, 19472820), (1123, 18519120), (1156, 17990460), (1224, 16990990), (1335, 15578256), (1360, 15291891), (1424, 14604615), (1445, 14392368), (1513, 13745520), (1530, 13592792), (1602, 12981880), (1734, 11993640), (1780, 11683692), (2040, 10194594), (2136, 9736410), (2246, 9259560), (2312, 8995230), (2448, 8495495), (2601, 7995760), (2670, 7789128), (2890, 7196184), (3026, 6872760), (3060, 6796396), (3204, 6490940), (3369, 6173040), (3468, 5996820), (3560, 5841846), (4005, 5192752), (4080, 5097297), (4272, 4868205), (4335, 4797456), (4492, 4629780), (4539, 4581840), (4624, 4497615), (5202, 3997880), (5340, 3894564), (5615, 3703824), (5780, 3598092), (6052, 3436380), (6120, 3398198), (6408, 3245470), (6738, 3086520), (6936, 2998410), (7120, 2920923), (7565, 2749104), (8010, 2596376), (8670, 2398728), (8984, 2314890), (9078, 2290920), (10107, 2057680), (10404, 1998940), (10680, 1947282), (11230, 1851912), (11560, 1799046), (12104, 1718190), (12240, 1699099), (12816, 1622735), (13005, 1599152), (13476, 1543260), (13617, 1527280), (13872, 1499205), (15130, 1374552), (16020, 1298188), (16845, 1234608), (17340, 1199364), (17968, 1157445), (18156, 1145460), (19091, 1089360), (20214, 1028840), (20808, 999470), (21360, 973641), (22460, 925956), (22695, 916368), (23120, 899523), (24208, 859095), (25721, 808560), (26010, 799576), (26952, 771630), (27234, 763640), (30260, 687276), (32040, 649094), (33690, 617304), (34680, 599682), (36312, 572730), (38182, 544680), (40428, 514420), (41616, 499735), (44920, 462978), (45390, 458184), (50535, 411536), (51442, 404280), (52020, 399788), (53904, 385815), (54468, 381820), (57273, 363120), (60520, 343638), (64080, 324547), (67380, 308652), (68085, 305456), (69360, 299841), (72624, 286365), (76364, 272340), (77163, 269520), (80856, 257210), (89840, 231489), (90780, 229092), (95455, 217872), (99947, 208080), (101070, 205768), (102884, 202140), (104040, 199894), (108936, 190910), (114546, 181560), (121040, 171819), (128605, 161712), (134760, 154326), (136170, 152728)]