20804966560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{33713}}^1$

素因数の和:33783

約数の個数: 192

約数和(自身を含む): 61170681600

約数和(自身を除く): 40365715040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 29, 32, 35, 38, 40, 56, 58, 70, 76, 80, 95, 112, 116, 133, 140, 145, 152, 160, 190, 203, 224, 232, 266, 280, 290, 304, 380, 406, 464, 532, 551, 560, 580, 608, 665, 760, 812, 928, 1015, 1064, 1102, 1120, 1160, 1330, 1520, 1624, 2030, 2128, 2204, 2320, 2660, 2755, 3040, 3248, 3857, 4060, 4256, 4408, 4640, 5320, 5510, 6496, 7714, 8120, 8816, 10640, 11020, 15428, 16240, 17632, 19285, 21280, 22040, 30856, 32480, 33713, 38570, 44080, 61712, 67426, 77140, 88160, 123424, 134852, 154280, 168565, 235991, 269704, 308560, 337130, 471982, 539408, 617120, 640547, 674260, 943964, 977677, 1078816, 1179955, 1281094, 1348520, 1887928, 1955354, 2359910, 2562188, 2697040, 3202735, 3775856, 3910708, 4483829, 4719820, 4888385, 5124376, 5394080, 6405470, 6843739, 7551712, 7821416, 8967658, 9439640, 9776770, 10248752, 12810940, 13687478, 15642832, 17935316, 18575863, 18879280, 19553540, 20497504, 22419145, 25621880, 27374956, 31285664, 34218695, 35870632, 37151726, 37758560, 39107080, 44838290, 51243760, 54749912, 68437390, 71741264, 74303452, 78214160, 89676580, 92879315, 102487520, 109499824, 130031041, 136874780, 143482528, 148606904, 156428320, 179353160, 185758630, 218999648, 260062082, 273749560, 297213808, 358706320, 371517260, 520124164, 547499120, 594427616, 650155205, 717412640, 743034520, 1040248328, 1094998240, 1300310410, 1486069040, 2080496656, 2600620820, 2972138080, 4160993312, 5201241640, 10402483280, 20804966560]

約数ペア:

[(1, 20804966560), (2, 10402483280), (4, 5201241640), (5, 4160993312), (7, 2972138080), (8, 2600620820), (10, 2080496656), (14, 1486069040), (16, 1300310410), (19, 1094998240), (20, 1040248328), (28, 743034520), (29, 717412640), (32, 650155205), (35, 594427616), (38, 547499120), (40, 520124164), (56, 371517260), (58, 358706320), (70, 297213808), (76, 273749560), (80, 260062082), (95, 218999648), (112, 185758630), (116, 179353160), (133, 156428320), (140, 148606904), (145, 143482528), (152, 136874780), (160, 130031041), (190, 109499824), (203, 102487520), (224, 92879315), (232, 89676580), (266, 78214160), (280, 74303452), (290, 71741264), (304, 68437390), (380, 54749912), (406, 51243760), (464, 44838290), (532, 39107080), (551, 37758560), (560, 37151726), (580, 35870632), (608, 34218695), (665, 31285664), (760, 27374956), (812, 25621880), (928, 22419145), (1015, 20497504), (1064, 19553540), (1102, 18879280), (1120, 18575863), (1160, 17935316), (1330, 15642832), (1520, 13687478), (1624, 12810940), (2030, 10248752), (2128, 9776770), (2204, 9439640), (2320, 8967658), (2660, 7821416), (2755, 7551712), (3040, 6843739), (3248, 6405470), (3857, 5394080), (4060, 5124376), (4256, 4888385), (4408, 4719820), (4640, 4483829), (5320, 3910708), (5510, 3775856), (6496, 3202735), (7714, 2697040), (8120, 2562188), (8816, 2359910), (10640, 1955354), (11020, 1887928), (15428, 1348520), (16240, 1281094), (17632, 1179955), (19285, 1078816), (21280, 977677), (22040, 943964), (30856, 674260), (32480, 640547), (33713, 617120), (38570, 539408), (44080, 471982), (61712, 337130), (67426, 308560), (77140, 269704), (88160, 235991), (123424, 168565), (134852, 154280)]