20941200

素因数分解:

$2^4\times 3^3\times 5^2\times 7^1\times {\mathrm{277}}^1$

素因数の和:311

約数の個数: 240

約数和(自身を含む): 85490560

約数和(自身を除く): 64549360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 27, 28, 30, 35, 36, 40, 42, 45, 48, 50, 54, 56, 60, 63, 70, 72, 75, 80, 84, 90, 100, 105, 108, 112, 120, 126, 135, 140, 144, 150, 168, 175, 180, 189, 200, 210, 216, 225, 240, 252, 270, 277, 280, 300, 315, 336, 350, 360, 378, 400, 420, 432, 450, 504, 525, 540, 554, 560, 600, 630, 675, 700, 720, 756, 831, 840, 900, 945, 1008, 1050, 1080, 1108, 1200, 1260, 1350, 1385, 1400, 1512, 1575, 1662, 1680, 1800, 1890, 1939, 2100, 2160, 2216, 2493, 2520, 2700, 2770, 2800, 3024, 3150, 3324, 3600, 3780, 3878, 4155, 4200, 4432, 4725, 4986, 5040, 5400, 5540, 5817, 6300, 6648, 6925, 7479, 7560, 7756, 8310, 8400, 9450, 9695, 9972, 10800, 11080, 11634, 12465, 12600, 13296, 13850, 14958, 15120, 15512, 16620, 17451, 18900, 19390, 19944, 20775, 22160, 23268, 24930, 25200, 27700, 29085, 29916, 31024, 33240, 34902, 37395, 37800, 38780, 39888, 41550, 46536, 48475, 49860, 52353, 55400, 58170, 59832, 62325, 66480, 69804, 74790, 75600, 77560, 83100, 87255, 93072, 96950, 99720, 104706, 110800, 116340, 119664, 124650, 139608, 145425, 149580, 155120, 166200, 174510, 186975, 193900, 199440, 209412, 232680, 249300, 261765, 279216, 290850, 299160, 332400, 349020, 373950, 387800, 418824, 436275, 465360, 498600, 523530, 581700, 598320, 698040, 747900, 775600, 837648, 872550, 997200, 1047060, 1163400, 1308825, 1396080, 1495800, 1745100, 2094120, 2326800, 2617650, 2991600, 3490200, 4188240, 5235300, 6980400, 10470600, 20941200]

約数ペア:

[(1, 20941200), (2, 10470600), (3, 6980400), (4, 5235300), (5, 4188240), (6, 3490200), (7, 2991600), (8, 2617650), (9, 2326800), (10, 2094120), (12, 1745100), (14, 1495800), (15, 1396080), (16, 1308825), (18, 1163400), (20, 1047060), (21, 997200), (24, 872550), (25, 837648), (27, 775600), (28, 747900), (30, 698040), (35, 598320), (36, 581700), (40, 523530), (42, 498600), (45, 465360), (48, 436275), (50, 418824), (54, 387800), (56, 373950), (60, 349020), (63, 332400), (70, 299160), (72, 290850), (75, 279216), (80, 261765), (84, 249300), (90, 232680), (100, 209412), (105, 199440), (108, 193900), (112, 186975), (120, 174510), (126, 166200), (135, 155120), (140, 149580), (144, 145425), (150, 139608), (168, 124650), (175, 119664), (180, 116340), (189, 110800), (200, 104706), (210, 99720), (216, 96950), (225, 93072), (240, 87255), (252, 83100), (270, 77560), (277, 75600), (280, 74790), (300, 69804), (315, 66480), (336, 62325), (350, 59832), (360, 58170), (378, 55400), (400, 52353), (420, 49860), (432, 48475), (450, 46536), (504, 41550), (525, 39888), (540, 38780), (554, 37800), (560, 37395), (600, 34902), (630, 33240), (675, 31024), (700, 29916), (720, 29085), (756, 27700), (831, 25200), (840, 24930), (900, 23268), (945, 22160), (1008, 20775), (1050, 19944), (1080, 19390), (1108, 18900), (1200, 17451), (1260, 16620), (1350, 15512), (1385, 15120), (1400, 14958), (1512, 13850), (1575, 13296), (1662, 12600), (1680, 12465), (1800, 11634), (1890, 11080), (1939, 10800), (2100, 9972), (2160, 9695), (2216, 9450), (2493, 8400), (2520, 8310), (2700, 7756), (2770, 7560), (2800, 7479), (3024, 6925), (3150, 6648), (3324, 6300), (3600, 5817), (3780, 5540), (3878, 5400), (4155, 5040), (4200, 4986), (4432, 4725)]