20017800

素因数分解:

$2^3\times 3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{337}}^1$

素因数の和:373

約数の個数: 192

約数和(自身を含む): 75441600

約数和(自身を除く): 55423800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 25, 27, 30, 33, 36, 40, 44, 45, 50, 54, 55, 60, 66, 72, 75, 88, 90, 99, 100, 108, 110, 120, 132, 135, 150, 165, 180, 198, 200, 216, 220, 225, 264, 270, 275, 297, 300, 330, 337, 360, 396, 440, 450, 495, 540, 550, 594, 600, 660, 674, 675, 792, 825, 900, 990, 1011, 1080, 1100, 1188, 1320, 1348, 1350, 1485, 1650, 1685, 1800, 1980, 2022, 2200, 2376, 2475, 2696, 2700, 2970, 3033, 3300, 3370, 3707, 3960, 4044, 4950, 5055, 5400, 5940, 6066, 6600, 6740, 7414, 7425, 8088, 8425, 9099, 9900, 10110, 11121, 11880, 12132, 13480, 14828, 14850, 15165, 16850, 18198, 18535, 19800, 20220, 22242, 24264, 25275, 29656, 29700, 30330, 33363, 33700, 36396, 37070, 40440, 44484, 45495, 50550, 55605, 59400, 60660, 66726, 67400, 72792, 74140, 75825, 88968, 90990, 92675, 100089, 101100, 111210, 121320, 133452, 148280, 151650, 166815, 181980, 185350, 200178, 202200, 222420, 227475, 266904, 278025, 303300, 333630, 363960, 370700, 400356, 444840, 454950, 500445, 556050, 606600, 667260, 741400, 800712, 834075, 909900, 1000890, 1112100, 1334520, 1668150, 1819800, 2001780, 2224200, 2502225, 3336300, 4003560, 5004450, 6672600, 10008900, 20017800]

約数ペア:

[(1, 20017800), (2, 10008900), (3, 6672600), (4, 5004450), (5, 4003560), (6, 3336300), (8, 2502225), (9, 2224200), (10, 2001780), (11, 1819800), (12, 1668150), (15, 1334520), (18, 1112100), (20, 1000890), (22, 909900), (24, 834075), (25, 800712), (27, 741400), (30, 667260), (33, 606600), (36, 556050), (40, 500445), (44, 454950), (45, 444840), (50, 400356), (54, 370700), (55, 363960), (60, 333630), (66, 303300), (72, 278025), (75, 266904), (88, 227475), (90, 222420), (99, 202200), (100, 200178), (108, 185350), (110, 181980), (120, 166815), (132, 151650), (135, 148280), (150, 133452), (165, 121320), (180, 111210), (198, 101100), (200, 100089), (216, 92675), (220, 90990), (225, 88968), (264, 75825), (270, 74140), (275, 72792), (297, 67400), (300, 66726), (330, 60660), (337, 59400), (360, 55605), (396, 50550), (440, 45495), (450, 44484), (495, 40440), (540, 37070), (550, 36396), (594, 33700), (600, 33363), (660, 30330), (674, 29700), (675, 29656), (792, 25275), (825, 24264), (900, 22242), (990, 20220), (1011, 19800), (1080, 18535), (1100, 18198), (1188, 16850), (1320, 15165), (1348, 14850), (1350, 14828), (1485, 13480), (1650, 12132), (1685, 11880), (1800, 11121), (1980, 10110), (2022, 9900), (2200, 9099), (2376, 8425), (2475, 8088), (2696, 7425), (2700, 7414), (2970, 6740), (3033, 6600), (3300, 6066), (3370, 5940), (3707, 5400), (3960, 5055), (4044, 4950)]