20249936980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:535

約数の個数: 288

約数和(自身を含む): 55058476032

約数和(自身を除く): 34808539052

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 61, 65, 70, 71, 91, 98, 122, 130, 140, 142, 182, 196, 244, 245, 260, 284, 305, 355, 364, 367, 427, 455, 490, 497, 610, 637, 710, 734, 793, 854, 910, 923, 980, 994, 1220, 1274, 1420, 1468, 1586, 1708, 1820, 1835, 1846, 1988, 2135, 2485, 2548, 2569, 2989, 3172, 3185, 3479, 3670, 3692, 3965, 4270, 4331, 4615, 4771, 4970, 5138, 5551, 5978, 6370, 6461, 6958, 7340, 7930, 8540, 8662, 9230, 9542, 9940, 10276, 11102, 11956, 12740, 12845, 12922, 13916, 14945, 15860, 17324, 17395, 17983, 18460, 19084, 21655, 22204, 22387, 23855, 25690, 25844, 26057, 27755, 29890, 30317, 32305, 33397, 34790, 35966, 38857, 43310, 44774, 45227, 47710, 51380, 52114, 55510, 56303, 59780, 60634, 64610, 66794, 69580, 71932, 77714, 86620, 89548, 89915, 90454, 95420, 104228, 111020, 111935, 112606, 121268, 129220, 130285, 133588, 151585, 155428, 156709, 166985, 179830, 180908, 182399, 194285, 212219, 223870, 225212, 226135, 233779, 260570, 281515, 291031, 303170, 313418, 333970, 338741, 359660, 364798, 388570, 394121, 424438, 447740, 452270, 467558, 521140, 563030, 582062, 606340, 626836, 667940, 677482, 729596, 777140, 783545, 788242, 848876, 904540, 911995, 935116, 1061095, 1096963, 1126060, 1164124, 1168895, 1276793, 1354964, 1455155, 1567090, 1576484, 1589477, 1693705, 1823990, 1970605, 2037217, 2122190, 2193926, 2337790, 2371187, 2553586, 2758847, 2910310, 3134180, 3178954, 3387410, 3647980, 3941210, 4074434, 4244380, 4387852, 4675580, 4742374, 5107172, 5484815, 5517694, 5820620, 6357908, 6383965, 6774820, 7882420, 7947385, 8148868, 9484748, 10186085, 10969630, 11035388, 11126339, 11855935, 12767930, 13794235, 14260519, 15894770, 16598309, 20372170, 20663201, 21939260, 22252678, 23711870, 25535860, 27588470, 28521038, 31789540, 33196618, 40744340, 41326402, 44505356, 47423740, 55176940, 55631695, 57042076, 66393236, 71302595, 77884373, 82652804, 82991545, 103316005, 111263390, 142605190, 144642407, 155768746, 165983090, 206632010, 222526780, 285210380, 289284814, 311537492, 331966180, 389421865, 413264020, 578569628, 723212035, 778843730, 1012496849, 1446424070, 1557687460, 2024993698, 2892848140, 4049987396, 5062484245, 10124968490, 20249936980]

約数ペア:

[(1, 20249936980), (2, 10124968490), (4, 5062484245), (5, 4049987396), (7, 2892848140), (10, 2024993698), (13, 1557687460), (14, 1446424070), (20, 1012496849), (26, 778843730), (28, 723212035), (35, 578569628), (49, 413264020), (52, 389421865), (61, 331966180), (65, 311537492), (70, 289284814), (71, 285210380), (91, 222526780), (98, 206632010), (122, 165983090), (130, 155768746), (140, 144642407), (142, 142605190), (182, 111263390), (196, 103316005), (244, 82991545), (245, 82652804), (260, 77884373), (284, 71302595), (305, 66393236), (355, 57042076), (364, 55631695), (367, 55176940), (427, 47423740), (455, 44505356), (490, 41326402), (497, 40744340), (610, 33196618), (637, 31789540), (710, 28521038), (734, 27588470), (793, 25535860), (854, 23711870), (910, 22252678), (923, 21939260), (980, 20663201), (994, 20372170), (1220, 16598309), (1274, 15894770), (1420, 14260519), (1468, 13794235), (1586, 12767930), (1708, 11855935), (1820, 11126339), (1835, 11035388), (1846, 10969630), (1988, 10186085), (2135, 9484748), (2485, 8148868), (2548, 7947385), (2569, 7882420), (2989, 6774820), (3172, 6383965), (3185, 6357908), (3479, 5820620), (3670, 5517694), (3692, 5484815), (3965, 5107172), (4270, 4742374), (4331, 4675580), (4615, 4387852), (4771, 4244380), (4970, 4074434), (5138, 3941210), (5551, 3647980), (5978, 3387410), (6370, 3178954), (6461, 3134180), (6958, 2910310), (7340, 2758847), (7930, 2553586), (8540, 2371187), (8662, 2337790), (9230, 2193926), (9542, 2122190), (9940, 2037217), (10276, 1970605), (11102, 1823990), (11956, 1693705), (12740, 1589477), (12845, 1576484), (12922, 1567090), (13916, 1455155), (14945, 1354964), (15860, 1276793), (17324, 1168895), (17395, 1164124), (17983, 1126060), (18460, 1096963), (19084, 1061095), (21655, 935116), (22204, 911995), (22387, 904540), (23855, 848876), (25690, 788242), (25844, 783545), (26057, 777140), (27755, 729596), (29890, 677482), (30317, 667940), (32305, 626836), (33397, 606340), (34790, 582062), (35966, 563030), (38857, 521140), (43310, 467558), (44774, 452270), (45227, 447740), (47710, 424438), (51380, 394121), (52114, 388570), (55510, 364798), (56303, 359660), (59780, 338741), (60634, 333970), (64610, 313418), (66794, 303170), (69580, 291031), (71932, 281515), (77714, 260570), (86620, 233779), (89548, 226135), (89915, 225212), (90454, 223870), (95420, 212219), (104228, 194285), (111020, 182399), (111935, 180908), (112606, 179830), (121268, 166985), (129220, 156709), (130285, 155428), (133588, 151585)]