20246891760

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{36473}}^1$

素因数の和:36752

約数の個数: 160

約数和(自身を含む): 70012572480

約数和(自身を除く): 49765680720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 257, 270, 360, 432, 514, 540, 720, 771, 1028, 1080, 1285, 1542, 2056, 2160, 2313, 2570, 3084, 3855, 4112, 4626, 5140, 6168, 6939, 7710, 9252, 10280, 11565, 12336, 13878, 15420, 18504, 20560, 23130, 27756, 30840, 34695, 36473, 37008, 46260, 55512, 61680, 69390, 72946, 92520, 109419, 111024, 138780, 145892, 182365, 185040, 218838, 277560, 291784, 328257, 364730, 437676, 547095, 555120, 583568, 656514, 729460, 875352, 984771, 1094190, 1313028, 1458920, 1641285, 1750704, 1969542, 2188380, 2626056, 2917840, 3282570, 3939084, 4376760, 4923855, 5252112, 6565140, 7878168, 8753520, 9373561, 9847710, 13130280, 15756336, 18747122, 19695420, 26260560, 28120683, 37494244, 39390840, 46867805, 56241366, 74988488, 78781680, 84362049, 93735610, 112482732, 140603415, 149976976, 168724098, 187471220, 224965464, 253086147, 281206830, 337448196, 374942440, 421810245, 449930928, 506172294, 562413660, 674896392, 749884880, 843620490, 1012344588, 1124827320, 1265430735, 1349792784, 1687240980, 2024689176, 2249654640, 2530861470, 3374481960, 4049378352, 5061722940, 6748963920, 10123445880, 20246891760]

約数ペア:

[(1, 20246891760), (2, 10123445880), (3, 6748963920), (4, 5061722940), (5, 4049378352), (6, 3374481960), (8, 2530861470), (9, 2249654640), (10, 2024689176), (12, 1687240980), (15, 1349792784), (16, 1265430735), (18, 1124827320), (20, 1012344588), (24, 843620490), (27, 749884880), (30, 674896392), (36, 562413660), (40, 506172294), (45, 449930928), (48, 421810245), (54, 374942440), (60, 337448196), (72, 281206830), (80, 253086147), (90, 224965464), (108, 187471220), (120, 168724098), (135, 149976976), (144, 140603415), (180, 112482732), (216, 93735610), (240, 84362049), (257, 78781680), (270, 74988488), (360, 56241366), (432, 46867805), (514, 39390840), (540, 37494244), (720, 28120683), (771, 26260560), (1028, 19695420), (1080, 18747122), (1285, 15756336), (1542, 13130280), (2056, 9847710), (2160, 9373561), (2313, 8753520), (2570, 7878168), (3084, 6565140), (3855, 5252112), (4112, 4923855), (4626, 4376760), (5140, 3939084), (6168, 3282570), (6939, 2917840), (7710, 2626056), (9252, 2188380), (10280, 1969542), (11565, 1750704), (12336, 1641285), (13878, 1458920), (15420, 1313028), (18504, 1094190), (20560, 984771), (23130, 875352), (27756, 729460), (30840, 656514), (34695, 583568), (36473, 555120), (37008, 547095), (46260, 437676), (55512, 364730), (61680, 328257), (69390, 291784), (72946, 277560), (92520, 218838), (109419, 185040), (111024, 182365), (138780, 145892)]