20201400

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:100

約数の個数: 240

約数和(自身を含む): 74269800

約数和(自身を除く): 54068400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 29, 30, 36, 40, 43, 45, 50, 54, 58, 60, 72, 75, 81, 86, 87, 90, 100, 108, 116, 120, 129, 135, 145, 150, 162, 172, 174, 180, 200, 215, 216, 225, 232, 258, 261, 270, 290, 300, 324, 344, 348, 360, 387, 405, 430, 435, 450, 516, 522, 540, 580, 600, 645, 648, 675, 696, 725, 774, 783, 810, 860, 870, 900, 1032, 1044, 1075, 1080, 1160, 1161, 1247, 1290, 1305, 1350, 1450, 1548, 1566, 1620, 1720, 1740, 1800, 1935, 2025, 2088, 2150, 2175, 2322, 2349, 2494, 2580, 2610, 2700, 2900, 3096, 3132, 3225, 3240, 3480, 3483, 3741, 3870, 3915, 4050, 4300, 4350, 4644, 4698, 4988, 5160, 5220, 5400, 5800, 5805, 6235, 6264, 6450, 6525, 6966, 7482, 7740, 7830, 8100, 8600, 8700, 9288, 9396, 9675, 9976, 10440, 11223, 11610, 11745, 12470, 12900, 13050, 13932, 14964, 15480, 15660, 16200, 17400, 17415, 18705, 18792, 19350, 19575, 22446, 23220, 23490, 24940, 25800, 26100, 27864, 29025, 29928, 31175, 31320, 33669, 34830, 37410, 38700, 39150, 44892, 46440, 46980, 49880, 52200, 56115, 58050, 58725, 62350, 67338, 69660, 74820, 77400, 78300, 87075, 89784, 93525, 93960, 101007, 112230, 116100, 117450, 124700, 134676, 139320, 149640, 156600, 168345, 174150, 187050, 202014, 224460, 232200, 234900, 249400, 269352, 280575, 336690, 348300, 374100, 404028, 448920, 469800, 505035, 561150, 673380, 696600, 748200, 808056, 841725, 1010070, 1122300, 1346760, 1683450, 2020140, 2244600, 2525175, 3366900, 4040280, 5050350, 6733800, 10100700, 20201400]

約数ペア:

[(1, 20201400), (2, 10100700), (3, 6733800), (4, 5050350), (5, 4040280), (6, 3366900), (8, 2525175), (9, 2244600), (10, 2020140), (12, 1683450), (15, 1346760), (18, 1122300), (20, 1010070), (24, 841725), (25, 808056), (27, 748200), (29, 696600), (30, 673380), (36, 561150), (40, 505035), (43, 469800), (45, 448920), (50, 404028), (54, 374100), (58, 348300), (60, 336690), (72, 280575), (75, 269352), (81, 249400), (86, 234900), (87, 232200), (90, 224460), (100, 202014), (108, 187050), (116, 174150), (120, 168345), (129, 156600), (135, 149640), (145, 139320), (150, 134676), (162, 124700), (172, 117450), (174, 116100), (180, 112230), (200, 101007), (215, 93960), (216, 93525), (225, 89784), (232, 87075), (258, 78300), (261, 77400), (270, 74820), (290, 69660), (300, 67338), (324, 62350), (344, 58725), (348, 58050), (360, 56115), (387, 52200), (405, 49880), (430, 46980), (435, 46440), (450, 44892), (516, 39150), (522, 38700), (540, 37410), (580, 34830), (600, 33669), (645, 31320), (648, 31175), (675, 29928), (696, 29025), (725, 27864), (774, 26100), (783, 25800), (810, 24940), (860, 23490), (870, 23220), (900, 22446), (1032, 19575), (1044, 19350), (1075, 18792), (1080, 18705), (1160, 17415), (1161, 17400), (1247, 16200), (1290, 15660), (1305, 15480), (1350, 14964), (1450, 13932), (1548, 13050), (1566, 12900), (1620, 12470), (1720, 11745), (1740, 11610), (1800, 11223), (1935, 10440), (2025, 9976), (2088, 9675), (2150, 9396), (2175, 9288), (2322, 8700), (2349, 8600), (2494, 8100), (2580, 7830), (2610, 7740), (2700, 7482), (2900, 6966), (3096, 6525), (3132, 6450), (3225, 6264), (3240, 6235), (3480, 5805), (3483, 5800), (3741, 5400), (3870, 5220), (3915, 5160), (4050, 4988), (4300, 4698), (4350, 4644)]