20144263920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{14759}}^1$

素因数の和:14844

約数の個数: 240

約数和(自身を含む): 70105512960

約数和(自身を除く): 49961249040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 47, 48, 55, 60, 66, 80, 88, 94, 110, 120, 121, 132, 141, 165, 176, 188, 220, 235, 240, 242, 264, 282, 330, 363, 376, 440, 470, 484, 517, 528, 564, 605, 660, 705, 726, 752, 880, 940, 968, 1034, 1128, 1210, 1320, 1410, 1452, 1551, 1815, 1880, 1936, 2068, 2256, 2420, 2585, 2640, 2820, 2904, 3102, 3630, 3760, 4136, 4840, 5170, 5640, 5687, 5808, 6204, 7260, 7755, 8272, 9680, 10340, 11280, 11374, 12408, 14520, 14759, 15510, 17061, 20680, 22748, 24816, 28435, 29040, 29518, 31020, 34122, 41360, 44277, 45496, 56870, 59036, 62040, 68244, 73795, 85305, 88554, 90992, 113740, 118072, 124080, 136488, 147590, 162349, 170610, 177108, 221385, 227480, 236144, 272976, 295180, 324698, 341220, 354216, 442770, 454960, 487047, 590360, 649396, 682440, 693673, 708432, 811745, 885540, 974094, 1180720, 1298792, 1364880, 1387346, 1623490, 1771080, 1785839, 1948188, 2081019, 2435235, 2597584, 2774692, 3246980, 3468365, 3542160, 3571678, 3896376, 4162038, 4870470, 5357517, 5549384, 6493960, 6936730, 7143356, 7630403, 7792752, 8324076, 8929195, 9740940, 10405095, 10715034, 11098768, 12987920, 13873460, 14286712, 15260806, 16648152, 17858390, 19481880, 20810190, 21430068, 22891209, 26787585, 27746920, 28573424, 30521612, 33296304, 35716780, 38152015, 38963760, 41620380, 42860136, 45782418, 53575170, 55493840, 61043224, 71433560, 76304030, 83240760, 83934433, 85720272, 91564836, 107150340, 114456045, 122086448, 142867120, 152608060, 166481520, 167868866, 183129672, 214300680, 228912090, 251803299, 305216120, 335737732, 366259344, 419672165, 428601360, 457824180, 503606598, 610432240, 671475464, 839344330, 915648360, 1007213196, 1259016495, 1342950928, 1678688660, 1831296720, 2014426392, 2518032990, 3357377320, 4028852784, 5036065980, 6714754640, 10072131960, 20144263920]

約数ペア:

[(1, 20144263920), (2, 10072131960), (3, 6714754640), (4, 5036065980), (5, 4028852784), (6, 3357377320), (8, 2518032990), (10, 2014426392), (11, 1831296720), (12, 1678688660), (15, 1342950928), (16, 1259016495), (20, 1007213196), (22, 915648360), (24, 839344330), (30, 671475464), (33, 610432240), (40, 503606598), (44, 457824180), (47, 428601360), (48, 419672165), (55, 366259344), (60, 335737732), (66, 305216120), (80, 251803299), (88, 228912090), (94, 214300680), (110, 183129672), (120, 167868866), (121, 166481520), (132, 152608060), (141, 142867120), (165, 122086448), (176, 114456045), (188, 107150340), (220, 91564836), (235, 85720272), (240, 83934433), (242, 83240760), (264, 76304030), (282, 71433560), (330, 61043224), (363, 55493840), (376, 53575170), (440, 45782418), (470, 42860136), (484, 41620380), (517, 38963760), (528, 38152015), (564, 35716780), (605, 33296304), (660, 30521612), (705, 28573424), (726, 27746920), (752, 26787585), (880, 22891209), (940, 21430068), (968, 20810190), (1034, 19481880), (1128, 17858390), (1210, 16648152), (1320, 15260806), (1410, 14286712), (1452, 13873460), (1551, 12987920), (1815, 11098768), (1880, 10715034), (1936, 10405095), (2068, 9740940), (2256, 8929195), (2420, 8324076), (2585, 7792752), (2640, 7630403), (2820, 7143356), (2904, 6936730), (3102, 6493960), (3630, 5549384), (3760, 5357517), (4136, 4870470), (4840, 4162038), (5170, 3896376), (5640, 3571678), (5687, 3542160), (5808, 3468365), (6204, 3246980), (7260, 2774692), (7755, 2597584), (8272, 2435235), (9680, 2081019), (10340, 1948188), (11280, 1785839), (11374, 1771080), (12408, 1623490), (14520, 1387346), (14759, 1364880), (15510, 1298792), (17061, 1180720), (20680, 974094), (22748, 885540), (24816, 811745), (28435, 708432), (29040, 693673), (29518, 682440), (31020, 649396), (34122, 590360), (41360, 487047), (44277, 454960), (45496, 442770), (56870, 354216), (59036, 341220), (62040, 324698), (68244, 295180), (73795, 272976), (85305, 236144), (88554, 227480), (90992, 221385), (113740, 177108), (118072, 170610), (124080, 162349), (136488, 147590)]