20187437760

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{333787}}^1$

素因数の和:333820

約数の個数: 224

約数和(自身を含む): 81390865920

約数和(自身を除く): 61203428160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 630, 672, 720, 756, 840, 864, 945, 960, 1008, 1080, 1120, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 2016, 2160, 2240, 2520, 2880, 3024, 3360, 3780, 4032, 4320, 5040, 6048, 6720, 7560, 8640, 10080, 12096, 15120, 20160, 30240, 60480, 333787, 667574, 1001361, 1335148, 1668935, 2002722, 2336509, 2670296, 3004083, 3337870, 4005444, 4673018, 5006805, 5340592, 6008166, 6675740, 7009527, 8010888, 9012249, 9346036, 10013610, 10681184, 11682545, 12016332, 13351480, 14019054, 15020415, 16021776, 18024498, 18692072, 20027220, 21028581, 21362368, 23365090, 24032664, 26702960, 28038108, 30040830, 32043552, 35047635, 36048996, 37384144, 40054440, 42057162, 45061245, 46730180, 48065328, 53405920, 56076216, 60081660, 63085743, 64087104, 70095270, 72097992, 74768288, 80108880, 84114324, 90122490, 93460360, 96130656, 105142905, 106811840, 112152432, 120163320, 126171486, 140190540, 144195984, 149536576, 160217760, 168228648, 180244980, 186920720, 192261312, 210285810, 224304864, 240326640, 252342972, 280381080, 288391968, 315428715, 320435520, 336457296, 360489960, 373841440, 420571620, 448609728, 480653280, 504685944, 560762160, 576783936, 630857430, 672914592, 720979920, 747682880, 841143240, 961306560, 1009371888, 1121524320, 1261714860, 1345829184, 1441959840, 1682286480, 2018743776, 2243048640, 2523429720, 2883919680, 3364572960, 4037487552, 5046859440, 6729145920, 10093718880, 20187437760]

約数ペア:

[(1, 20187437760), (2, 10093718880), (3, 6729145920), (4, 5046859440), (5, 4037487552), (6, 3364572960), (7, 2883919680), (8, 2523429720), (9, 2243048640), (10, 2018743776), (12, 1682286480), (14, 1441959840), (15, 1345829184), (16, 1261714860), (18, 1121524320), (20, 1009371888), (21, 961306560), (24, 841143240), (27, 747682880), (28, 720979920), (30, 672914592), (32, 630857430), (35, 576783936), (36, 560762160), (40, 504685944), (42, 480653280), (45, 448609728), (48, 420571620), (54, 373841440), (56, 360489960), (60, 336457296), (63, 320435520), (64, 315428715), (70, 288391968), (72, 280381080), (80, 252342972), (84, 240326640), (90, 224304864), (96, 210285810), (105, 192261312), (108, 186920720), (112, 180244980), (120, 168228648), (126, 160217760), (135, 149536576), (140, 144195984), (144, 140190540), (160, 126171486), (168, 120163320), (180, 112152432), (189, 106811840), (192, 105142905), (210, 96130656), (216, 93460360), (224, 90122490), (240, 84114324), (252, 80108880), (270, 74768288), (280, 72097992), (288, 70095270), (315, 64087104), (320, 63085743), (336, 60081660), (360, 56076216), (378, 53405920), (420, 48065328), (432, 46730180), (448, 45061245), (480, 42057162), (504, 40054440), (540, 37384144), (560, 36048996), (576, 35047635), (630, 32043552), (672, 30040830), (720, 28038108), (756, 26702960), (840, 24032664), (864, 23365090), (945, 21362368), (960, 21028581), (1008, 20027220), (1080, 18692072), (1120, 18024498), (1260, 16021776), (1344, 15020415), (1440, 14019054), (1512, 13351480), (1680, 12016332), (1728, 11682545), (1890, 10681184), (2016, 10013610), (2160, 9346036), (2240, 9012249), (2520, 8010888), (2880, 7009527), (3024, 6675740), (3360, 6008166), (3780, 5340592), (4032, 5006805), (4320, 4673018), (5040, 4005444), (6048, 3337870), (6720, 3004083), (7560, 2670296), (8640, 2336509), (10080, 2002722), (12096, 1668935), (15120, 1335148), (20160, 1001361), (30240, 667574), (60480, 333787)]