20795203520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{5623}}^1$

素因数の和:5787

約数の個数: 224

約数和(自身を含む): 61436755968

約数和(自身を除く): 40641552448

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 127, 130, 140, 160, 182, 208, 224, 254, 260, 280, 320, 364, 416, 448, 455, 508, 520, 560, 635, 728, 832, 889, 910, 1016, 1040, 1120, 1270, 1456, 1651, 1778, 1820, 2032, 2080, 2240, 2540, 2912, 3302, 3556, 3640, 4064, 4160, 4445, 5080, 5623, 5824, 6604, 7112, 7280, 8128, 8255, 8890, 10160, 11246, 11557, 13208, 14224, 14560, 16510, 17780, 20320, 22492, 23114, 26416, 28115, 28448, 29120, 33020, 35560, 39361, 40640, 44984, 46228, 52832, 56230, 56896, 57785, 66040, 71120, 73099, 78722, 89968, 92456, 105664, 112460, 115570, 132080, 142240, 146198, 157444, 179936, 184912, 196805, 224920, 231140, 264160, 284480, 292396, 314888, 359872, 365495, 369824, 393610, 449840, 462280, 511693, 528320, 584792, 629776, 714121, 730990, 739648, 787220, 899680, 924560, 1023386, 1169584, 1259552, 1428242, 1461980, 1574440, 1799360, 1849120, 2046772, 2339168, 2519104, 2558465, 2856484, 2923960, 3148880, 3570605, 3698240, 4093544, 4678336, 4998847, 5116930, 5712968, 5847920, 6297760, 7141210, 8187088, 9283573, 9997694, 10233860, 11425936, 11695840, 12595520, 14282420, 16374176, 18567146, 19995388, 20467720, 22851872, 23391680, 24994235, 28564840, 32748352, 37134292, 39990776, 40935440, 45703744, 46417865, 49988470, 57129680, 64985011, 74268584, 79981552, 81870880, 92835730, 99976940, 114259360, 129970022, 148537168, 159963104, 163741760, 185671460, 199953880, 228518720, 259940044, 297074336, 319926208, 324925055, 371342920, 399907760, 519880088, 594148672, 649850110, 742685840, 799815520, 1039760176, 1299700220, 1485371680, 1599631040, 2079520352, 2599400440, 2970743360, 4159040704, 5198800880, 10397601760, 20795203520]

約数ペア:

[(1, 20795203520), (2, 10397601760), (4, 5198800880), (5, 4159040704), (7, 2970743360), (8, 2599400440), (10, 2079520352), (13, 1599631040), (14, 1485371680), (16, 1299700220), (20, 1039760176), (26, 799815520), (28, 742685840), (32, 649850110), (35, 594148672), (40, 519880088), (52, 399907760), (56, 371342920), (64, 324925055), (65, 319926208), (70, 297074336), (80, 259940044), (91, 228518720), (104, 199953880), (112, 185671460), (127, 163741760), (130, 159963104), (140, 148537168), (160, 129970022), (182, 114259360), (208, 99976940), (224, 92835730), (254, 81870880), (260, 79981552), (280, 74268584), (320, 64985011), (364, 57129680), (416, 49988470), (448, 46417865), (455, 45703744), (508, 40935440), (520, 39990776), (560, 37134292), (635, 32748352), (728, 28564840), (832, 24994235), (889, 23391680), (910, 22851872), (1016, 20467720), (1040, 19995388), (1120, 18567146), (1270, 16374176), (1456, 14282420), (1651, 12595520), (1778, 11695840), (1820, 11425936), (2032, 10233860), (2080, 9997694), (2240, 9283573), (2540, 8187088), (2912, 7141210), (3302, 6297760), (3556, 5847920), (3640, 5712968), (4064, 5116930), (4160, 4998847), (4445, 4678336), (5080, 4093544), (5623, 3698240), (5824, 3570605), (6604, 3148880), (7112, 2923960), (7280, 2856484), (8128, 2558465), (8255, 2519104), (8890, 2339168), (10160, 2046772), (11246, 1849120), (11557, 1799360), (13208, 1574440), (14224, 1461980), (14560, 1428242), (16510, 1259552), (17780, 1169584), (20320, 1023386), (22492, 924560), (23114, 899680), (26416, 787220), (28115, 739648), (28448, 730990), (29120, 714121), (33020, 629776), (35560, 584792), (39361, 528320), (40640, 511693), (44984, 462280), (46228, 449840), (52832, 393610), (56230, 369824), (56896, 365495), (57785, 359872), (66040, 314888), (71120, 292396), (73099, 284480), (78722, 264160), (89968, 231140), (92456, 224920), (105664, 196805), (112460, 184912), (115570, 179936), (132080, 157444), (142240, 146198)]