20216383920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{41231}}^1$

素因数の和:41480

約数の個数: 160

約数和(自身を含む): 69942666240

約数和(自身を除く): 49726282320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 227, 240, 270, 360, 432, 454, 540, 681, 720, 908, 1080, 1135, 1362, 1816, 2043, 2160, 2270, 2724, 3405, 3632, 4086, 4540, 5448, 6129, 6810, 8172, 9080, 10215, 10896, 12258, 13620, 16344, 18160, 20430, 24516, 27240, 30645, 32688, 40860, 41231, 49032, 54480, 61290, 81720, 82462, 98064, 122580, 123693, 163440, 164924, 206155, 245160, 247386, 329848, 371079, 412310, 490320, 494772, 618465, 659696, 742158, 824620, 989544, 1113237, 1236930, 1484316, 1649240, 1855395, 1979088, 2226474, 2473860, 2968632, 3298480, 3710790, 4452948, 4947720, 5566185, 5937264, 7421580, 8905896, 9359437, 9895440, 11132370, 14843160, 17811792, 18718874, 22264740, 28078311, 29686320, 37437748, 44529480, 46797185, 56156622, 74875496, 84234933, 89058960, 93594370, 112313244, 140391555, 149750992, 168469866, 187188740, 224626488, 252704799, 280783110, 336939732, 374377480, 421174665, 449252976, 505409598, 561566220, 673879464, 748754960, 842349330, 1010819196, 1123132440, 1263523995, 1347758928, 1684698660, 2021638392, 2246264880, 2527047990, 3369397320, 4043276784, 5054095980, 6738794640, 10108191960, 20216383920]

約数ペア:

[(1, 20216383920), (2, 10108191960), (3, 6738794640), (4, 5054095980), (5, 4043276784), (6, 3369397320), (8, 2527047990), (9, 2246264880), (10, 2021638392), (12, 1684698660), (15, 1347758928), (16, 1263523995), (18, 1123132440), (20, 1010819196), (24, 842349330), (27, 748754960), (30, 673879464), (36, 561566220), (40, 505409598), (45, 449252976), (48, 421174665), (54, 374377480), (60, 336939732), (72, 280783110), (80, 252704799), (90, 224626488), (108, 187188740), (120, 168469866), (135, 149750992), (144, 140391555), (180, 112313244), (216, 93594370), (227, 89058960), (240, 84234933), (270, 74875496), (360, 56156622), (432, 46797185), (454, 44529480), (540, 37437748), (681, 29686320), (720, 28078311), (908, 22264740), (1080, 18718874), (1135, 17811792), (1362, 14843160), (1816, 11132370), (2043, 9895440), (2160, 9359437), (2270, 8905896), (2724, 7421580), (3405, 5937264), (3632, 5566185), (4086, 4947720), (4540, 4452948), (5448, 3710790), (6129, 3298480), (6810, 2968632), (8172, 2473860), (9080, 2226474), (10215, 1979088), (10896, 1855395), (12258, 1649240), (13620, 1484316), (16344, 1236930), (18160, 1113237), (20430, 989544), (24516, 824620), (27240, 742158), (30645, 659696), (32688, 618465), (40860, 494772), (41231, 490320), (49032, 412310), (54480, 371079), (61290, 329848), (81720, 247386), (82462, 245160), (98064, 206155), (122580, 164924), (123693, 163440)]