20386080

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1$

素因数の和:62

約数の個数: 360

約数和(自身を含む): 85164156

約数和(自身を除く): 64778076

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, 22, 24, 26, 27, 30, 32, 33, 36, 39, 40, 44, 45, 48, 52, 54, 55, 60, 65, 66, 72, 78, 80, 81, 88, 90, 96, 99, 104, 108, 110, 117, 120, 121, 130, 132, 135, 143, 144, 156, 160, 162, 165, 176, 180, 195, 198, 208, 216, 220, 234, 240, 242, 260, 264, 270, 286, 288, 297, 312, 324, 330, 351, 352, 360, 363, 390, 396, 405, 416, 429, 432, 440, 468, 480, 484, 495, 520, 528, 540, 572, 585, 594, 605, 624, 648, 660, 702, 715, 720, 726, 780, 792, 810, 858, 864, 880, 891, 936, 968, 990, 1040, 1053, 1056, 1080, 1089, 1144, 1170, 1188, 1210, 1248, 1287, 1296, 1320, 1404, 1430, 1440, 1452, 1485, 1560, 1573, 1584, 1620, 1716, 1755, 1760, 1782, 1815, 1872, 1936, 1980, 2080, 2106, 2145, 2160, 2178, 2288, 2340, 2376, 2420, 2574, 2592, 2640, 2808, 2860, 2904, 2970, 3120, 3146, 3168, 3240, 3267, 3432, 3510, 3564, 3630, 3744, 3861, 3872, 3960, 4212, 4290, 4320, 4356, 4455, 4576, 4680, 4719, 4752, 4840, 5148, 5265, 5280, 5445, 5616, 5720, 5808, 5940, 6240, 6292, 6435, 6480, 6534, 6864, 7020, 7128, 7260, 7722, 7865, 7920, 8424, 8580, 8712, 8910, 9360, 9438, 9504, 9680, 9801, 10296, 10530, 10890, 11232, 11440, 11583, 11616, 11880, 12584, 12870, 12960, 13068, 13728, 14040, 14157, 14256, 14520, 15444, 15730, 15840, 16335, 16848, 17160, 17424, 17820, 18720, 18876, 19305, 19360, 19602, 20592, 21060, 21780, 22880, 23166, 23595, 23760, 25168, 25740, 26136, 28080, 28314, 28512, 29040, 30888, 31460, 32670, 33696, 34320, 34848, 35640, 37752, 38610, 39204, 41184, 42120, 42471, 43560, 46332, 47190, 47520, 49005, 50336, 51480, 52272, 56160, 56628, 57915, 58080, 61776, 62920, 65340, 68640, 70785, 71280, 75504, 77220, 78408, 84240, 84942, 87120, 92664, 94380, 98010, 102960, 104544, 113256, 115830, 123552, 125840, 127413, 130680, 141570, 142560, 151008, 154440, 156816, 168480, 169884, 174240, 185328, 188760, 196020, 205920, 212355, 226512, 231660, 251680, 254826, 261360, 283140, 308880, 313632, 339768, 370656, 377520, 392040, 424710, 453024, 463320, 509652, 522720, 566280, 617760, 637065, 679536, 755040, 784080, 849420, 926640, 1019304, 1132560, 1274130, 1359072, 1568160, 1698840, 1853280, 2038608, 2265120, 2548260, 3397680, 4077216, 5096520, 6795360, 10193040, 20386080]

約数ペア:

[(1, 20386080), (2, 10193040), (3, 6795360), (4, 5096520), (5, 4077216), (6, 3397680), (8, 2548260), (9, 2265120), (10, 2038608), (11, 1853280), (12, 1698840), (13, 1568160), (15, 1359072), (16, 1274130), (18, 1132560), (20, 1019304), (22, 926640), (24, 849420), (26, 784080), (27, 755040), (30, 679536), (32, 637065), (33, 617760), (36, 566280), (39, 522720), (40, 509652), (44, 463320), (45, 453024), (48, 424710), (52, 392040), (54, 377520), (55, 370656), (60, 339768), (65, 313632), (66, 308880), (72, 283140), (78, 261360), (80, 254826), (81, 251680), (88, 231660), (90, 226512), (96, 212355), (99, 205920), (104, 196020), (108, 188760), (110, 185328), (117, 174240), (120, 169884), (121, 168480), (130, 156816), (132, 154440), (135, 151008), (143, 142560), (144, 141570), (156, 130680), (160, 127413), (162, 125840), (165, 123552), (176, 115830), (180, 113256), (195, 104544), (198, 102960), (208, 98010), (216, 94380), (220, 92664), (234, 87120), (240, 84942), (242, 84240), (260, 78408), (264, 77220), (270, 75504), (286, 71280), (288, 70785), (297, 68640), (312, 65340), (324, 62920), (330, 61776), (351, 58080), (352, 57915), (360, 56628), (363, 56160), (390, 52272), (396, 51480), (405, 50336), (416, 49005), (429, 47520), (432, 47190), (440, 46332), (468, 43560), (480, 42471), (484, 42120), (495, 41184), (520, 39204), (528, 38610), (540, 37752), (572, 35640), (585, 34848), (594, 34320), (605, 33696), (624, 32670), (648, 31460), (660, 30888), (702, 29040), (715, 28512), (720, 28314), (726, 28080), (780, 26136), (792, 25740), (810, 25168), (858, 23760), (864, 23595), (880, 23166), (891, 22880), (936, 21780), (968, 21060), (990, 20592), (1040, 19602), (1053, 19360), (1056, 19305), (1080, 18876), (1089, 18720), (1144, 17820), (1170, 17424), (1188, 17160), (1210, 16848), (1248, 16335), (1287, 15840), (1296, 15730), (1320, 15444), (1404, 14520), (1430, 14256), (1440, 14157), (1452, 14040), (1485, 13728), (1560, 13068), (1573, 12960), (1584, 12870), (1620, 12584), (1716, 11880), (1755, 11616), (1760, 11583), (1782, 11440), (1815, 11232), (1872, 10890), (1936, 10530), (1980, 10296), (2080, 9801), (2106, 9680), (2145, 9504), (2160, 9438), (2178, 9360), (2288, 8910), (2340, 8712), (2376, 8580), (2420, 8424), (2574, 7920), (2592, 7865), (2640, 7722), (2808, 7260), (2860, 7128), (2904, 7020), (2970, 6864), (3120, 6534), (3146, 6480), (3168, 6435), (3240, 6292), (3267, 6240), (3432, 5940), (3510, 5808), (3564, 5720), (3630, 5616), (3744, 5445), (3861, 5280), (3872, 5265), (3960, 5148), (4212, 4840), (4290, 4752), (4320, 4719), (4356, 4680), (4455, 4576)]