20381760

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{337}}^1$

素因数の和:370

約数の個数: 224

約数和(自身を含む): 82417920

約数和(自身を除く): 62036160

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, 337, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 630, 672, 674, 720, 756, 840, 864, 945, 960, 1008, 1011, 1080, 1120, 1260, 1344, 1348, 1440, 1512, 1680, 1685, 1728, 1890, 2016, 2022, 2160, 2240, 2359, 2520, 2696, 2880, 3024, 3033, 3360, 3370, 3780, 4032, 4044, 4320, 4718, 5040, 5055, 5392, 6048, 6066, 6720, 6740, 7077, 7560, 8088, 8640, 9099, 9436, 10080, 10110, 10784, 11795, 12096, 12132, 13480, 14154, 15120, 15165, 16176, 18198, 18872, 20160, 20220, 21231, 21568, 23590, 24264, 26960, 28308, 30240, 30330, 32352, 35385, 36396, 37744, 40440, 42462, 45495, 47180, 48528, 53920, 56616, 60480, 60660, 63693, 64704, 70770, 72792, 75488, 80880, 84924, 90990, 94360, 97056, 106155, 107840, 113232, 121320, 127386, 141540, 145584, 150976, 161760, 169848, 181980, 188720, 194112, 212310, 226464, 242640, 254772, 283080, 291168, 318465, 323520, 339696, 363960, 377440, 424620, 452928, 485280, 509544, 566160, 582336, 636930, 679392, 727920, 754880, 849240, 970560, 1019088, 1132320, 1273860, 1358784, 1455840, 1698480, 2038176, 2264640, 2547720, 2911680, 3396960, 4076352, 5095440, 6793920, 10190880, 20381760]

約数ペア:

[(1, 20381760), (2, 10190880), (3, 6793920), (4, 5095440), (5, 4076352), (6, 3396960), (7, 2911680), (8, 2547720), (9, 2264640), (10, 2038176), (12, 1698480), (14, 1455840), (15, 1358784), (16, 1273860), (18, 1132320), (20, 1019088), (21, 970560), (24, 849240), (27, 754880), (28, 727920), (30, 679392), (32, 636930), (35, 582336), (36, 566160), (40, 509544), (42, 485280), (45, 452928), (48, 424620), (54, 377440), (56, 363960), (60, 339696), (63, 323520), (64, 318465), (70, 291168), (72, 283080), (80, 254772), (84, 242640), (90, 226464), (96, 212310), (105, 194112), (108, 188720), (112, 181980), (120, 169848), (126, 161760), (135, 150976), (140, 145584), (144, 141540), (160, 127386), (168, 121320), (180, 113232), (189, 107840), (192, 106155), (210, 97056), (216, 94360), (224, 90990), (240, 84924), (252, 80880), (270, 75488), (280, 72792), (288, 70770), (315, 64704), (320, 63693), (336, 60660), (337, 60480), (360, 56616), (378, 53920), (420, 48528), (432, 47180), (448, 45495), (480, 42462), (504, 40440), (540, 37744), (560, 36396), (576, 35385), (630, 32352), (672, 30330), (674, 30240), (720, 28308), (756, 26960), (840, 24264), (864, 23590), (945, 21568), (960, 21231), (1008, 20220), (1011, 20160), (1080, 18872), (1120, 18198), (1260, 16176), (1344, 15165), (1348, 15120), (1440, 14154), (1512, 13480), (1680, 12132), (1685, 12096), (1728, 11795), (1890, 10784), (2016, 10110), (2022, 10080), (2160, 9436), (2240, 9099), (2359, 8640), (2520, 8088), (2696, 7560), (2880, 7077), (3024, 6740), (3033, 6720), (3360, 6066), (3370, 6048), (3780, 5392), (4032, 5055), (4044, 5040), (4320, 4718)]