20614080

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:326

約数の個数: 112

約数和(自身を含む): 66385440

約数和(自身を除く): 45771360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 109, 120, 160, 192, 197, 218, 240, 320, 327, 394, 436, 480, 545, 591, 654, 788, 872, 960, 985, 1090, 1182, 1308, 1576, 1635, 1744, 1970, 2180, 2364, 2616, 2955, 3152, 3270, 3488, 3940, 4360, 4728, 5232, 5910, 6304, 6540, 6976, 7880, 8720, 9456, 10464, 11820, 12608, 13080, 15760, 17440, 18912, 20928, 21473, 23640, 26160, 31520, 34880, 37824, 42946, 47280, 52320, 63040, 64419, 85892, 94560, 104640, 107365, 128838, 171784, 189120, 214730, 257676, 322095, 343568, 429460, 515352, 644190, 687136, 858920, 1030704, 1288380, 1374272, 1717840, 2061408, 2576760, 3435680, 4122816, 5153520, 6871360, 10307040, 20614080]

約数ペア:

[(1, 20614080), (2, 10307040), (3, 6871360), (4, 5153520), (5, 4122816), (6, 3435680), (8, 2576760), (10, 2061408), (12, 1717840), (15, 1374272), (16, 1288380), (20, 1030704), (24, 858920), (30, 687136), (32, 644190), (40, 515352), (48, 429460), (60, 343568), (64, 322095), (80, 257676), (96, 214730), (109, 189120), (120, 171784), (160, 128838), (192, 107365), (197, 104640), (218, 94560), (240, 85892), (320, 64419), (327, 63040), (394, 52320), (436, 47280), (480, 42946), (545, 37824), (591, 34880), (654, 31520), (788, 26160), (872, 23640), (960, 21473), (985, 20928), (1090, 18912), (1182, 17440), (1308, 15760), (1576, 13080), (1635, 12608), (1744, 11820), (1970, 10464), (2180, 9456), (2364, 8720), (2616, 7880), (2955, 6976), (3152, 6540), (3270, 6304), (3488, 5910), (3940, 5232), (4360, 4728)]