20071800

素因数分解:

$2^3\times 3^5\times 5^2\times 7^1\times {\mathrm{59}}^1$

素因数の和:97

約数の個数: 288

約数和(自身を含む): 81244800

約数和(自身を除く): 61173000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 27, 28, 30, 35, 36, 40, 42, 45, 50, 54, 56, 59, 60, 63, 70, 72, 75, 81, 84, 90, 100, 105, 108, 118, 120, 126, 135, 140, 150, 162, 168, 175, 177, 180, 189, 200, 210, 216, 225, 236, 243, 252, 270, 280, 295, 300, 315, 324, 350, 354, 360, 378, 405, 413, 420, 450, 472, 486, 504, 525, 531, 540, 567, 590, 600, 630, 648, 675, 700, 708, 756, 810, 826, 840, 885, 900, 945, 972, 1050, 1062, 1080, 1134, 1180, 1215, 1239, 1260, 1350, 1400, 1416, 1475, 1512, 1575, 1593, 1620, 1652, 1701, 1770, 1800, 1890, 1944, 2025, 2065, 2100, 2124, 2268, 2360, 2430, 2478, 2520, 2655, 2700, 2835, 2950, 3150, 3186, 3240, 3304, 3402, 3540, 3717, 3780, 4050, 4130, 4200, 4248, 4425, 4536, 4725, 4779, 4860, 4956, 5310, 5400, 5670, 5900, 6075, 6195, 6300, 6372, 6804, 7080, 7434, 7560, 7965, 8100, 8260, 8505, 8850, 9450, 9558, 9720, 9912, 10325, 10620, 11151, 11340, 11800, 12150, 12390, 12600, 12744, 13275, 13608, 14175, 14337, 14868, 15930, 16200, 16520, 17010, 17700, 18585, 18900, 19116, 20650, 21240, 22302, 22680, 23895, 24300, 24780, 26550, 28350, 28674, 29736, 30975, 31860, 33453, 34020, 35400, 37170, 37800, 38232, 39825, 41300, 42525, 44604, 47790, 48600, 49560, 53100, 55755, 56700, 57348, 61950, 63720, 66906, 68040, 71685, 74340, 79650, 82600, 85050, 89208, 92925, 95580, 100359, 106200, 111510, 113400, 114696, 119475, 123900, 133812, 143370, 148680, 159300, 167265, 170100, 185850, 191160, 200718, 223020, 238950, 247800, 267624, 278775, 286740, 318600, 334530, 340200, 358425, 371700, 401436, 446040, 477900, 501795, 557550, 573480, 669060, 716850, 743400, 802872, 836325, 955800, 1003590, 1115100, 1338120, 1433700, 1672650, 2007180, 2230200, 2508975, 2867400, 3345300, 4014360, 5017950, 6690600, 10035900, 20071800]

約数ペア:

[(1, 20071800), (2, 10035900), (3, 6690600), (4, 5017950), (5, 4014360), (6, 3345300), (7, 2867400), (8, 2508975), (9, 2230200), (10, 2007180), (12, 1672650), (14, 1433700), (15, 1338120), (18, 1115100), (20, 1003590), (21, 955800), (24, 836325), (25, 802872), (27, 743400), (28, 716850), (30, 669060), (35, 573480), (36, 557550), (40, 501795), (42, 477900), (45, 446040), (50, 401436), (54, 371700), (56, 358425), (59, 340200), (60, 334530), (63, 318600), (70, 286740), (72, 278775), (75, 267624), (81, 247800), (84, 238950), (90, 223020), (100, 200718), (105, 191160), (108, 185850), (118, 170100), (120, 167265), (126, 159300), (135, 148680), (140, 143370), (150, 133812), (162, 123900), (168, 119475), (175, 114696), (177, 113400), (180, 111510), (189, 106200), (200, 100359), (210, 95580), (216, 92925), (225, 89208), (236, 85050), (243, 82600), (252, 79650), (270, 74340), (280, 71685), (295, 68040), (300, 66906), (315, 63720), (324, 61950), (350, 57348), (354, 56700), (360, 55755), (378, 53100), (405, 49560), (413, 48600), (420, 47790), (450, 44604), (472, 42525), (486, 41300), (504, 39825), (525, 38232), (531, 37800), (540, 37170), (567, 35400), (590, 34020), (600, 33453), (630, 31860), (648, 30975), (675, 29736), (700, 28674), (708, 28350), (756, 26550), (810, 24780), (826, 24300), (840, 23895), (885, 22680), (900, 22302), (945, 21240), (972, 20650), (1050, 19116), (1062, 18900), (1080, 18585), (1134, 17700), (1180, 17010), (1215, 16520), (1239, 16200), (1260, 15930), (1350, 14868), (1400, 14337), (1416, 14175), (1475, 13608), (1512, 13275), (1575, 12744), (1593, 12600), (1620, 12390), (1652, 12150), (1701, 11800), (1770, 11340), (1800, 11151), (1890, 10620), (1944, 10325), (2025, 9912), (2065, 9720), (2100, 9558), (2124, 9450), (2268, 8850), (2360, 8505), (2430, 8260), (2478, 8100), (2520, 7965), (2655, 7560), (2700, 7434), (2835, 7080), (2950, 6804), (3150, 6372), (3186, 6300), (3240, 6195), (3304, 6075), (3402, 5900), (3540, 5670), (3717, 5400), (3780, 5310), (4050, 4956), (4130, 4860), (4200, 4779), (4248, 4725), (4425, 4536)]