20367360

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:63

約数の個数: 288

約数和(自身を含む): 80491320

約数和(自身を除く): 60123960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 30, 32, 34, 36, 39, 40, 45, 48, 51, 52, 60, 64, 65, 68, 72, 78, 80, 85, 90, 96, 102, 104, 117, 120, 128, 130, 136, 144, 153, 156, 160, 170, 180, 192, 195, 204, 208, 221, 234, 240, 255, 256, 260, 272, 288, 306, 312, 320, 340, 360, 384, 390, 408, 416, 442, 468, 480, 510, 512, 520, 544, 576, 585, 612, 624, 640, 663, 680, 720, 765, 768, 780, 816, 832, 884, 936, 960, 1020, 1024, 1040, 1088, 1105, 1152, 1170, 1224, 1248, 1280, 1326, 1360, 1440, 1530, 1536, 1560, 1632, 1664, 1768, 1872, 1920, 1989, 2040, 2048, 2080, 2176, 2210, 2304, 2340, 2448, 2496, 2560, 2652, 2720, 2880, 3060, 3072, 3120, 3264, 3315, 3328, 3536, 3744, 3840, 3978, 4080, 4160, 4352, 4420, 4608, 4680, 4896, 4992, 5120, 5304, 5440, 5760, 6120, 6144, 6240, 6528, 6630, 6656, 7072, 7488, 7680, 7956, 8160, 8320, 8704, 8840, 9216, 9360, 9792, 9945, 9984, 10240, 10608, 10880, 11520, 12240, 12480, 13056, 13260, 13312, 14144, 14976, 15360, 15912, 16320, 16640, 17408, 17680, 18432, 18720, 19584, 19890, 19968, 21216, 21760, 23040, 24480, 24960, 26112, 26520, 26624, 28288, 29952, 30720, 31824, 32640, 33280, 34816, 35360, 37440, 39168, 39780, 39936, 42432, 43520, 46080, 48960, 49920, 52224, 53040, 56576, 59904, 63648, 65280, 66560, 70720, 74880, 78336, 79560, 79872, 84864, 87040, 92160, 97920, 99840, 104448, 106080, 113152, 119808, 127296, 130560, 133120, 141440, 149760, 156672, 159120, 169728, 174080, 195840, 199680, 212160, 226304, 239616, 254592, 261120, 282880, 299520, 313344, 318240, 339456, 391680, 399360, 424320, 452608, 509184, 522240, 565760, 599040, 636480, 678912, 783360, 848640, 1018368, 1131520, 1198080, 1272960, 1357824, 1566720, 1697280, 2036736, 2263040, 2545920, 3394560, 4073472, 5091840, 6789120, 10183680, 20367360]

約数ペア:

[(1, 20367360), (2, 10183680), (3, 6789120), (4, 5091840), (5, 4073472), (6, 3394560), (8, 2545920), (9, 2263040), (10, 2036736), (12, 1697280), (13, 1566720), (15, 1357824), (16, 1272960), (17, 1198080), (18, 1131520), (20, 1018368), (24, 848640), (26, 783360), (30, 678912), (32, 636480), (34, 599040), (36, 565760), (39, 522240), (40, 509184), (45, 452608), (48, 424320), (51, 399360), (52, 391680), (60, 339456), (64, 318240), (65, 313344), (68, 299520), (72, 282880), (78, 261120), (80, 254592), (85, 239616), (90, 226304), (96, 212160), (102, 199680), (104, 195840), (117, 174080), (120, 169728), (128, 159120), (130, 156672), (136, 149760), (144, 141440), (153, 133120), (156, 130560), (160, 127296), (170, 119808), (180, 113152), (192, 106080), (195, 104448), (204, 99840), (208, 97920), (221, 92160), (234, 87040), (240, 84864), (255, 79872), (256, 79560), (260, 78336), (272, 74880), (288, 70720), (306, 66560), (312, 65280), (320, 63648), (340, 59904), (360, 56576), (384, 53040), (390, 52224), (408, 49920), (416, 48960), (442, 46080), (468, 43520), (480, 42432), (510, 39936), (512, 39780), (520, 39168), (544, 37440), (576, 35360), (585, 34816), (612, 33280), (624, 32640), (640, 31824), (663, 30720), (680, 29952), (720, 28288), (765, 26624), (768, 26520), (780, 26112), (816, 24960), (832, 24480), (884, 23040), (936, 21760), (960, 21216), (1020, 19968), (1024, 19890), (1040, 19584), (1088, 18720), (1105, 18432), (1152, 17680), (1170, 17408), (1224, 16640), (1248, 16320), (1280, 15912), (1326, 15360), (1360, 14976), (1440, 14144), (1530, 13312), (1536, 13260), (1560, 13056), (1632, 12480), (1664, 12240), (1768, 11520), (1872, 10880), (1920, 10608), (1989, 10240), (2040, 9984), (2048, 9945), (2080, 9792), (2176, 9360), (2210, 9216), (2304, 8840), (2340, 8704), (2448, 8320), (2496, 8160), (2560, 7956), (2652, 7680), (2720, 7488), (2880, 7072), (3060, 6656), (3072, 6630), (3120, 6528), (3264, 6240), (3315, 6144), (3328, 6120), (3536, 5760), (3744, 5440), (3840, 5304), (3978, 5120), (4080, 4992), (4160, 4896), (4352, 4680), (4420, 4608)]