20890800

素因数分解:

$2^4\times 3^2\times 5^2\times 7^1\times {\mathrm{829}}^1$

素因数の和:860

約数の個数: 180

約数和(自身を含む): 82953520

約数和(自身を除く): 62062720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 70, 72, 75, 80, 84, 90, 100, 105, 112, 120, 126, 140, 144, 150, 168, 175, 180, 200, 210, 225, 240, 252, 280, 300, 315, 336, 350, 360, 400, 420, 450, 504, 525, 560, 600, 630, 700, 720, 829, 840, 900, 1008, 1050, 1200, 1260, 1400, 1575, 1658, 1680, 1800, 2100, 2487, 2520, 2800, 3150, 3316, 3600, 4145, 4200, 4974, 5040, 5803, 6300, 6632, 7461, 8290, 8400, 9948, 11606, 12435, 12600, 13264, 14922, 16580, 17409, 19896, 20725, 23212, 24870, 25200, 29015, 29844, 33160, 34818, 37305, 39792, 41450, 46424, 49740, 52227, 58030, 59688, 62175, 66320, 69636, 74610, 82900, 87045, 92848, 99480, 104454, 116060, 119376, 124350, 139272, 145075, 149220, 165800, 174090, 186525, 198960, 208908, 232120, 248700, 261135, 278544, 290150, 298440, 331600, 348180, 373050, 417816, 435225, 464240, 497400, 522270, 580300, 596880, 696360, 746100, 835632, 870450, 994800, 1044540, 1160600, 1305675, 1392720, 1492200, 1740900, 2089080, 2321200, 2611350, 2984400, 3481800, 4178160, 5222700, 6963600, 10445400, 20890800]

約数ペア:

[(1, 20890800), (2, 10445400), (3, 6963600), (4, 5222700), (5, 4178160), (6, 3481800), (7, 2984400), (8, 2611350), (9, 2321200), (10, 2089080), (12, 1740900), (14, 1492200), (15, 1392720), (16, 1305675), (18, 1160600), (20, 1044540), (21, 994800), (24, 870450), (25, 835632), (28, 746100), (30, 696360), (35, 596880), (36, 580300), (40, 522270), (42, 497400), (45, 464240), (48, 435225), (50, 417816), (56, 373050), (60, 348180), (63, 331600), (70, 298440), (72, 290150), (75, 278544), (80, 261135), (84, 248700), (90, 232120), (100, 208908), (105, 198960), (112, 186525), (120, 174090), (126, 165800), (140, 149220), (144, 145075), (150, 139272), (168, 124350), (175, 119376), (180, 116060), (200, 104454), (210, 99480), (225, 92848), (240, 87045), (252, 82900), (280, 74610), (300, 69636), (315, 66320), (336, 62175), (350, 59688), (360, 58030), (400, 52227), (420, 49740), (450, 46424), (504, 41450), (525, 39792), (560, 37305), (600, 34818), (630, 33160), (700, 29844), (720, 29015), (829, 25200), (840, 24870), (900, 23212), (1008, 20725), (1050, 19896), (1200, 17409), (1260, 16580), (1400, 14922), (1575, 13264), (1658, 12600), (1680, 12435), (1800, 11606), (2100, 9948), (2487, 8400), (2520, 8290), (2800, 7461), (3150, 6632), (3316, 6300), (3600, 5803), (4145, 5040), (4200, 4974)]