20363280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:94

約数の個数: 320

約数和(自身を含む): 82280448

約数和(自身を除く): 61917168

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 23, 24, 28, 30, 31, 34, 35, 40, 42, 46, 48, 51, 56, 60, 62, 68, 69, 70, 80, 84, 85, 92, 93, 102, 105, 112, 115, 119, 120, 124, 136, 138, 140, 155, 161, 168, 170, 184, 186, 204, 210, 217, 230, 238, 240, 248, 255, 272, 276, 280, 310, 322, 336, 340, 345, 357, 368, 372, 391, 408, 420, 434, 460, 465, 476, 483, 496, 510, 527, 552, 560, 595, 620, 644, 651, 680, 690, 713, 714, 744, 782, 805, 816, 840, 868, 920, 930, 952, 966, 1020, 1054, 1085, 1104, 1173, 1190, 1240, 1288, 1302, 1360, 1380, 1426, 1428, 1488, 1564, 1581, 1610, 1680, 1736, 1785, 1840, 1860, 1904, 1932, 1955, 2040, 2108, 2139, 2170, 2346, 2380, 2415, 2480, 2576, 2604, 2635, 2737, 2760, 2852, 2856, 3128, 3162, 3220, 3255, 3472, 3565, 3570, 3689, 3720, 3864, 3910, 4080, 4216, 4278, 4340, 4692, 4760, 4830, 4991, 5208, 5270, 5474, 5520, 5704, 5712, 5865, 6256, 6324, 6440, 6510, 7130, 7140, 7378, 7440, 7728, 7820, 7905, 8211, 8432, 8556, 8680, 9384, 9520, 9660, 9982, 10416, 10540, 10695, 10948, 11067, 11408, 11730, 12121, 12648, 12880, 13020, 13685, 14260, 14280, 14756, 14973, 15640, 15810, 16422, 17112, 17360, 18445, 18768, 19320, 19964, 21080, 21390, 21896, 22134, 23460, 24242, 24955, 25296, 26040, 27370, 28520, 28560, 29512, 29946, 31280, 31620, 32844, 34224, 36363, 36890, 38640, 39928, 41055, 42160, 42780, 43792, 44268, 46920, 48484, 49910, 52080, 54740, 55335, 57040, 59024, 59892, 60605, 63240, 65688, 72726, 73780, 74865, 79856, 82110, 84847, 85560, 88536, 93840, 96968, 99820, 109480, 110670, 119784, 121210, 126480, 131376, 145452, 147560, 149730, 164220, 169694, 171120, 177072, 181815, 193936, 199640, 218960, 221340, 239568, 242420, 254541, 290904, 295120, 299460, 328440, 339388, 363630, 399280, 424235, 442680, 484840, 509082, 581808, 598920, 656880, 678776, 727260, 848470, 885360, 969680, 1018164, 1197840, 1272705, 1357552, 1454520, 1696940, 2036328, 2545410, 2909040, 3393880, 4072656, 5090820, 6787760, 10181640, 20363280]

約数ペア:

[(1, 20363280), (2, 10181640), (3, 6787760), (4, 5090820), (5, 4072656), (6, 3393880), (7, 2909040), (8, 2545410), (10, 2036328), (12, 1696940), (14, 1454520), (15, 1357552), (16, 1272705), (17, 1197840), (20, 1018164), (21, 969680), (23, 885360), (24, 848470), (28, 727260), (30, 678776), (31, 656880), (34, 598920), (35, 581808), (40, 509082), (42, 484840), (46, 442680), (48, 424235), (51, 399280), (56, 363630), (60, 339388), (62, 328440), (68, 299460), (69, 295120), (70, 290904), (80, 254541), (84, 242420), (85, 239568), (92, 221340), (93, 218960), (102, 199640), (105, 193936), (112, 181815), (115, 177072), (119, 171120), (120, 169694), (124, 164220), (136, 149730), (138, 147560), (140, 145452), (155, 131376), (161, 126480), (168, 121210), (170, 119784), (184, 110670), (186, 109480), (204, 99820), (210, 96968), (217, 93840), (230, 88536), (238, 85560), (240, 84847), (248, 82110), (255, 79856), (272, 74865), (276, 73780), (280, 72726), (310, 65688), (322, 63240), (336, 60605), (340, 59892), (345, 59024), (357, 57040), (368, 55335), (372, 54740), (391, 52080), (408, 49910), (420, 48484), (434, 46920), (460, 44268), (465, 43792), (476, 42780), (483, 42160), (496, 41055), (510, 39928), (527, 38640), (552, 36890), (560, 36363), (595, 34224), (620, 32844), (644, 31620), (651, 31280), (680, 29946), (690, 29512), (713, 28560), (714, 28520), (744, 27370), (782, 26040), (805, 25296), (816, 24955), (840, 24242), (868, 23460), (920, 22134), (930, 21896), (952, 21390), (966, 21080), (1020, 19964), (1054, 19320), (1085, 18768), (1104, 18445), (1173, 17360), (1190, 17112), (1240, 16422), (1288, 15810), (1302, 15640), (1360, 14973), (1380, 14756), (1426, 14280), (1428, 14260), (1488, 13685), (1564, 13020), (1581, 12880), (1610, 12648), (1680, 12121), (1736, 11730), (1785, 11408), (1840, 11067), (1860, 10948), (1904, 10695), (1932, 10540), (1955, 10416), (2040, 9982), (2108, 9660), (2139, 9520), (2170, 9384), (2346, 8680), (2380, 8556), (2415, 8432), (2480, 8211), (2576, 7905), (2604, 7820), (2635, 7728), (2737, 7440), (2760, 7378), (2852, 7140), (2856, 7130), (3128, 6510), (3162, 6440), (3220, 6324), (3255, 6256), (3472, 5865), (3565, 5712), (3570, 5704), (3689, 5520), (3720, 5474), (3864, 5270), (3910, 5208), (4080, 4991), (4216, 4830), (4278, 4760), (4340, 4692)]