20206800

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{1871}}^1$

素因数の和:1898

約数の個数: 120

約数和(自身を含む): 71959680

約数和(自身を除く): 51752880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 90, 100, 108, 120, 135, 144, 150, 180, 200, 216, 225, 240, 270, 300, 360, 400, 432, 450, 540, 600, 675, 720, 900, 1080, 1200, 1350, 1800, 1871, 2160, 2700, 3600, 3742, 5400, 5613, 7484, 9355, 10800, 11226, 14968, 16839, 18710, 22452, 28065, 29936, 33678, 37420, 44904, 46775, 50517, 56130, 67356, 74840, 84195, 89808, 93550, 101034, 112260, 134712, 140325, 149680, 168390, 187100, 202068, 224520, 252585, 269424, 280650, 336780, 374200, 404136, 420975, 449040, 505170, 561300, 673560, 748400, 808272, 841950, 1010340, 1122600, 1262925, 1347120, 1683900, 2020680, 2245200, 2525850, 3367800, 4041360, 5051700, 6735600, 10103400, 20206800]

約数ペア:

[(1, 20206800), (2, 10103400), (3, 6735600), (4, 5051700), (5, 4041360), (6, 3367800), (8, 2525850), (9, 2245200), (10, 2020680), (12, 1683900), (15, 1347120), (16, 1262925), (18, 1122600), (20, 1010340), (24, 841950), (25, 808272), (27, 748400), (30, 673560), (36, 561300), (40, 505170), (45, 449040), (48, 420975), (50, 404136), (54, 374200), (60, 336780), (72, 280650), (75, 269424), (80, 252585), (90, 224520), (100, 202068), (108, 187100), (120, 168390), (135, 149680), (144, 140325), (150, 134712), (180, 112260), (200, 101034), (216, 93550), (225, 89808), (240, 84195), (270, 74840), (300, 67356), (360, 56130), (400, 50517), (432, 46775), (450, 44904), (540, 37420), (600, 33678), (675, 29936), (720, 28065), (900, 22452), (1080, 18710), (1200, 16839), (1350, 14968), (1800, 11226), (1871, 10800), (2160, 9355), (2700, 7484), (3600, 5613), (3742, 5400)]