20732492760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{125287}}^1$

素因数の和:125505

約数の個数: 128

約数和(自身を含む): 71444229120

約数和(自身を除く): 50711736360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 197, 210, 280, 394, 420, 591, 788, 840, 985, 1182, 1379, 1576, 1970, 2364, 2758, 2955, 3940, 4137, 4728, 5516, 5910, 6895, 7880, 8274, 11032, 11820, 13790, 16548, 20685, 23640, 27580, 33096, 41370, 55160, 82740, 125287, 165480, 250574, 375861, 501148, 626435, 751722, 877009, 1002296, 1252870, 1503444, 1754018, 1879305, 2505740, 2631027, 3006888, 3508036, 3758610, 4385045, 5011480, 5262054, 7016072, 7517220, 8770090, 10524108, 13155135, 15034440, 17540180, 21048216, 24681539, 26310270, 35080360, 49363078, 52620540, 74044617, 98726156, 105241080, 123407695, 148089234, 172770773, 197452312, 246815390, 296178468, 345541546, 370223085, 493630780, 518312319, 592356936, 691083092, 740446170, 863853865, 987261560, 1036624638, 1382166184, 1480892340, 1727707730, 2073249276, 2591561595, 2961784680, 3455415460, 4146498552, 5183123190, 6910830920, 10366246380, 20732492760]

約数ペア:

[(1, 20732492760), (2, 10366246380), (3, 6910830920), (4, 5183123190), (5, 4146498552), (6, 3455415460), (7, 2961784680), (8, 2591561595), (10, 2073249276), (12, 1727707730), (14, 1480892340), (15, 1382166184), (20, 1036624638), (21, 987261560), (24, 863853865), (28, 740446170), (30, 691083092), (35, 592356936), (40, 518312319), (42, 493630780), (56, 370223085), (60, 345541546), (70, 296178468), (84, 246815390), (105, 197452312), (120, 172770773), (140, 148089234), (168, 123407695), (197, 105241080), (210, 98726156), (280, 74044617), (394, 52620540), (420, 49363078), (591, 35080360), (788, 26310270), (840, 24681539), (985, 21048216), (1182, 17540180), (1379, 15034440), (1576, 13155135), (1970, 10524108), (2364, 8770090), (2758, 7517220), (2955, 7016072), (3940, 5262054), (4137, 5011480), (4728, 4385045), (5516, 3758610), (5910, 3508036), (6895, 3006888), (7880, 2631027), (8274, 2505740), (11032, 1879305), (11820, 1754018), (13790, 1503444), (16548, 1252870), (20685, 1002296), (23640, 877009), (27580, 751722), (33096, 626435), (41370, 501148), (55160, 375861), (82740, 250574), (125287, 165480)]