20697998.000000000

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^3\times {\mathrm{19}}^1$

素因数の和:93

約数の個数: 320

約数和(自身を含む): 621388800

約数和(自身を除く): 464565840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 19, 20, 21, 24, 28, 30, 34, 35, 38, 40, 42, 48, 51, 56, 57, 60, 68, 70, 76, 80, 84, 85, 95, 102, 105, 112, 114, 119, 120, 133, 136, 140, 152, 168, 170, 190, 204, 210, 228, 238, 240, 255, 266, 272, 280, 285, 289, 304, 323, 336, 340, 357, 380, 399, 408, 420, 456, 476, 510, 532, 560, 570, 578, 595, 646, 665, 680, 714, 760, 798, 816, 840, 867, 912, 952, 969, 1020, 1064, 1140, 1156, 1190, 1292, 1330, 1360, 1428, 1445, 1520, 1596, 1615, 1680, 1734, 1785, 1904, 1938, 1995, 2023, 2040, 2128, 2261, 2280, 2312, 2380, 2584, 2660, 2856, 2890, 3192, 3230, 3468, 3570, 3876, 3990, 4046, 4080, 4335, 4522, 4560, 4624, 4760, 4845, 4913, 5168, 5320, 5491, 5712, 5780, 6069, 6384, 6460, 6783, 6936, 7140, 7752, 7980, 8092, 8670, 9044, 9520, 9690, 9826, 10115, 10640, 10982, 11305, 11560, 12138, 12920, 13566, 13872, 14280, 14739, 15504, 15960, 16184, 16473, 17340, 18088, 19380, 19652, 20230, 21964, 22610, 23120, 24276, 24565, 25840, 27132, 27455, 28560, 29478, 30345, 31920, 32368, 32946, 33915, 34391, 34680, 36176, 38437, 38760, 39304, 40460, 43928, 45220, 48552, 49130, 54264, 54910, 58956, 60690, 65892, 67830, 68782, 69360, 73695, 76874, 77520, 78608, 80920, 82365, 87856, 90440, 93347, 97104, 98260, 103173, 108528, 109820, 115311, 117912, 121380, 131784, 135660, 137564, 147390, 153748, 161840, 164730, 171955, 180880, 186694, 192185, 196520, 206346, 219640, 230622, 235824, 242760, 263568, 271320, 275128, 280041, 294780, 307496, 329460, 343910, 373388, 384370, 393040, 412692, 439280, 461244, 466735, 485520, 515865, 542640, 550256, 560082, 576555, 589560, 614992, 653429, 658920, 687820, 746776, 768740, 825384, 922488, 933470, 1031730, 1120164, 1153110, 1179120, 1306858, 1317840, 1375640, 1400205, 1493552, 1537480, 1650768, 1844976, 1866940, 1960287, 2063460, 2240328, 2306220, 2613716, 2751280, 2800410, 3074960, 3267145, 3733880, 3920574, 4126920, 4480656, 4612440, 5227432, 5600820, 6534290, 7467760, 7841148, 8253840, 9224880, 9801435, 10454864, 11201640, 13068580, 15682296, 19602870, 22403280, 26137160, 31364592, 39205740, 52274320, 78411480, 156822960]

約数ペア:

[(1, 156822960), (2, 78411480), (3, 52274320), (4, 39205740), (5, 31364592), (6, 26137160), (7, 22403280), (8, 19602870), (10, 15682296), (12, 13068580), (14, 11201640), (15, 10454864), (16, 9801435), (17, 9224880), (19, 8253840), (20, 7841148), (21, 7467760), (24, 6534290), (28, 5600820), (30, 5227432), (34, 4612440), (35, 4480656), (38, 4126920), (40, 3920574), (42, 3733880), (48, 3267145), (51, 3074960), (56, 2800410), (57, 2751280), (60, 2613716), (68, 2306220), (70, 2240328), (76, 2063460), (80, 1960287), (84, 1866940), (85, 1844976), (95, 1650768), (102, 1537480), (105, 1493552), (112, 1400205), (114, 1375640), (119, 1317840), (120, 1306858), (133, 1179120), (136, 1153110), (140, 1120164), (152, 1031730), (168, 933470), (170, 922488), (190, 825384), (204, 768740), (210, 746776), (228, 687820), (238, 658920), (240, 653429), (255, 614992), (266, 589560), (272, 576555), (280, 560082), (285, 550256), (289, 542640), (304, 515865), (323, 485520), (336, 466735), (340, 461244), (357, 439280), (380, 412692), (399, 393040), (408, 384370), (420, 373388), (456, 343910), (476, 329460), (510, 307496), (532, 294780), (560, 280041), (570, 275128), (578, 271320), (595, 263568), (646, 242760), (665, 235824), (680, 230622), (714, 219640), (760, 206346), (798, 196520), (816, 192185), (840, 186694), (867, 180880), (912, 171955), (952, 164730), (969, 161840), (1020, 153748), (1064, 147390), (1140, 137564), (1156, 135660), (1190, 131784), (1292, 121380), (1330, 117912), (1360, 115311), (1428, 109820), (1445, 108528), (1520, 103173), (1596, 98260), (1615, 97104), (1680, 93347), (1734, 90440), (1785, 87856), (1904, 82365), (1938, 80920), (1995, 78608), (2023, 77520), (2040, 76874), (2128, 73695), (2261, 69360), (2280, 68782), (2312, 67830), (2380, 65892), (2584, 60690), (2660, 58956), (2856, 54910), (2890, 54264), (3192, 49130), (3230, 48552), (3468, 45220), (3570, 43928), (3876, 40460), (3990, 39304), (4046, 38760), (4080, 38437), (4335, 36176), (4522, 34680), (4560, 34391), (4624, 33915), (4760, 32946), (4845, 32368), (4913, 31920), (5168, 30345), (5320, 29478), (5491, 28560), (5712, 27455), (5780, 27132), (6069, 25840), (6384, 24565), (6460, 24276), (6783, 23120), (6936, 22610), (7140, 21964), (7752, 20230), (7980, 19652), (8092, 19380), (8670, 18088), (9044, 17340), (9520, 16473), (9690, 16184), (9826, 15960), (10115, 15504), (10640, 14739), (10982, 14280), (11305, 13872), (11560, 13566), (12138, 12920)]