20743200

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:136

約数の個数: 216

約数和(自身を含む): 75963888

約数和(自身を除く): 55220688

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 43, 45, 48, 50, 60, 67, 72, 75, 80, 86, 90, 96, 100, 120, 129, 134, 144, 150, 160, 172, 180, 200, 201, 215, 225, 240, 258, 268, 288, 300, 335, 344, 360, 387, 400, 402, 430, 450, 480, 516, 536, 600, 603, 645, 670, 688, 720, 774, 800, 804, 860, 900, 1005, 1032, 1072, 1075, 1200, 1206, 1290, 1340, 1376, 1440, 1548, 1608, 1675, 1720, 1800, 1935, 2010, 2064, 2144, 2150, 2400, 2412, 2580, 2680, 2881, 3015, 3096, 3216, 3225, 3350, 3440, 3600, 3870, 4020, 4128, 4300, 4824, 5025, 5160, 5360, 5762, 6030, 6192, 6432, 6450, 6700, 6880, 7200, 7740, 8040, 8600, 8643, 9648, 9675, 10050, 10320, 10720, 11524, 12060, 12384, 12900, 13400, 14405, 15075, 15480, 16080, 17200, 17286, 19296, 19350, 20100, 20640, 23048, 24120, 25800, 25929, 26800, 28810, 30150, 30960, 32160, 34400, 34572, 38700, 40200, 43215, 46096, 48240, 51600, 51858, 53600, 57620, 60300, 61920, 69144, 72025, 77400, 80400, 86430, 92192, 96480, 103200, 103716, 115240, 120600, 129645, 138288, 144050, 154800, 160800, 172860, 207432, 216075, 230480, 241200, 259290, 276576, 288100, 309600, 345720, 414864, 432150, 460960, 482400, 518580, 576200, 648225, 691440, 829728, 864300, 1037160, 1152400, 1296450, 1382880, 1728600, 2074320, 2304800, 2592900, 3457200, 4148640, 5185800, 6914400, 10371600, 20743200]

約数ペア:

[(1, 20743200), (2, 10371600), (3, 6914400), (4, 5185800), (5, 4148640), (6, 3457200), (8, 2592900), (9, 2304800), (10, 2074320), (12, 1728600), (15, 1382880), (16, 1296450), (18, 1152400), (20, 1037160), (24, 864300), (25, 829728), (30, 691440), (32, 648225), (36, 576200), (40, 518580), (43, 482400), (45, 460960), (48, 432150), (50, 414864), (60, 345720), (67, 309600), (72, 288100), (75, 276576), (80, 259290), (86, 241200), (90, 230480), (96, 216075), (100, 207432), (120, 172860), (129, 160800), (134, 154800), (144, 144050), (150, 138288), (160, 129645), (172, 120600), (180, 115240), (200, 103716), (201, 103200), (215, 96480), (225, 92192), (240, 86430), (258, 80400), (268, 77400), (288, 72025), (300, 69144), (335, 61920), (344, 60300), (360, 57620), (387, 53600), (400, 51858), (402, 51600), (430, 48240), (450, 46096), (480, 43215), (516, 40200), (536, 38700), (600, 34572), (603, 34400), (645, 32160), (670, 30960), (688, 30150), (720, 28810), (774, 26800), (800, 25929), (804, 25800), (860, 24120), (900, 23048), (1005, 20640), (1032, 20100), (1072, 19350), (1075, 19296), (1200, 17286), (1206, 17200), (1290, 16080), (1340, 15480), (1376, 15075), (1440, 14405), (1548, 13400), (1608, 12900), (1675, 12384), (1720, 12060), (1800, 11524), (1935, 10720), (2010, 10320), (2064, 10050), (2144, 9675), (2150, 9648), (2400, 8643), (2412, 8600), (2580, 8040), (2680, 7740), (2881, 7200), (3015, 6880), (3096, 6700), (3216, 6450), (3225, 6432), (3350, 6192), (3440, 6030), (3600, 5762), (3870, 5360), (4020, 5160), (4128, 5025), (4300, 4824)]