20556480

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:76

約数の個数: 336

約数和(自身を含む): 83393280

約数和(自身を除く): 62836800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 23, 24, 28, 30, 32, 35, 38, 40, 42, 46, 48, 49, 56, 57, 60, 64, 69, 70, 76, 80, 84, 92, 95, 96, 98, 105, 112, 114, 115, 120, 133, 138, 140, 147, 152, 160, 161, 168, 184, 190, 192, 196, 210, 224, 228, 230, 240, 245, 266, 276, 280, 285, 294, 304, 320, 322, 336, 345, 368, 380, 392, 399, 420, 437, 448, 456, 460, 480, 483, 490, 532, 552, 560, 570, 588, 608, 644, 665, 672, 690, 735, 736, 760, 784, 798, 805, 840, 874, 912, 920, 931, 960, 966, 980, 1064, 1104, 1120, 1127, 1140, 1176, 1216, 1288, 1311, 1330, 1344, 1380, 1470, 1472, 1520, 1568, 1596, 1610, 1680, 1748, 1824, 1840, 1862, 1932, 1960, 1995, 2128, 2185, 2208, 2240, 2254, 2280, 2352, 2415, 2576, 2622, 2660, 2760, 2793, 2940, 3040, 3059, 3136, 3192, 3220, 3360, 3381, 3496, 3648, 3680, 3724, 3864, 3920, 3990, 4256, 4370, 4416, 4508, 4560, 4655, 4704, 4830, 5152, 5244, 5320, 5520, 5586, 5635, 5880, 6080, 6118, 6384, 6440, 6555, 6720, 6762, 6992, 7360, 7448, 7728, 7840, 7980, 8512, 8740, 9016, 9120, 9177, 9310, 9408, 9660, 10304, 10488, 10640, 11040, 11172, 11270, 11760, 12236, 12768, 12880, 13110, 13524, 13965, 13984, 14896, 15295, 15456, 15680, 15960, 16905, 17480, 18032, 18240, 18354, 18620, 19320, 20976, 21280, 21413, 22080, 22344, 22540, 23520, 24472, 25536, 25760, 26220, 27048, 27930, 27968, 29792, 30590, 30912, 31920, 33810, 34960, 36064, 36708, 37240, 38640, 41952, 42560, 42826, 44688, 45080, 45885, 47040, 48944, 51520, 52440, 54096, 55860, 59584, 61180, 63840, 64239, 67620, 69920, 72128, 73416, 74480, 77280, 83904, 85652, 89376, 90160, 91770, 97888, 104880, 107065, 108192, 111720, 122360, 127680, 128478, 135240, 139840, 146832, 148960, 154560, 171304, 178752, 180320, 183540, 195776, 209760, 214130, 216384, 223440, 244720, 256956, 270480, 293664, 297920, 321195, 342608, 360640, 367080, 419520, 428260, 446880, 489440, 513912, 540960, 587328, 642390, 685216, 734160, 856520, 893760, 978880, 1027824, 1081920, 1284780, 1370432, 1468320, 1713040, 2055648, 2569560, 2936640, 3426080, 4111296, 5139120, 6852160, 10278240, 20556480]

約数ペア:

[(1, 20556480), (2, 10278240), (3, 6852160), (4, 5139120), (5, 4111296), (6, 3426080), (7, 2936640), (8, 2569560), (10, 2055648), (12, 1713040), (14, 1468320), (15, 1370432), (16, 1284780), (19, 1081920), (20, 1027824), (21, 978880), (23, 893760), (24, 856520), (28, 734160), (30, 685216), (32, 642390), (35, 587328), (38, 540960), (40, 513912), (42, 489440), (46, 446880), (48, 428260), (49, 419520), (56, 367080), (57, 360640), (60, 342608), (64, 321195), (69, 297920), (70, 293664), (76, 270480), (80, 256956), (84, 244720), (92, 223440), (95, 216384), (96, 214130), (98, 209760), (105, 195776), (112, 183540), (114, 180320), (115, 178752), (120, 171304), (133, 154560), (138, 148960), (140, 146832), (147, 139840), (152, 135240), (160, 128478), (161, 127680), (168, 122360), (184, 111720), (190, 108192), (192, 107065), (196, 104880), (210, 97888), (224, 91770), (228, 90160), (230, 89376), (240, 85652), (245, 83904), (266, 77280), (276, 74480), (280, 73416), (285, 72128), (294, 69920), (304, 67620), (320, 64239), (322, 63840), (336, 61180), (345, 59584), (368, 55860), (380, 54096), (392, 52440), (399, 51520), (420, 48944), (437, 47040), (448, 45885), (456, 45080), (460, 44688), (480, 42826), (483, 42560), (490, 41952), (532, 38640), (552, 37240), (560, 36708), (570, 36064), (588, 34960), (608, 33810), (644, 31920), (665, 30912), (672, 30590), (690, 29792), (735, 27968), (736, 27930), (760, 27048), (784, 26220), (798, 25760), (805, 25536), (840, 24472), (874, 23520), (912, 22540), (920, 22344), (931, 22080), (960, 21413), (966, 21280), (980, 20976), (1064, 19320), (1104, 18620), (1120, 18354), (1127, 18240), (1140, 18032), (1176, 17480), (1216, 16905), (1288, 15960), (1311, 15680), (1330, 15456), (1344, 15295), (1380, 14896), (1470, 13984), (1472, 13965), (1520, 13524), (1568, 13110), (1596, 12880), (1610, 12768), (1680, 12236), (1748, 11760), (1824, 11270), (1840, 11172), (1862, 11040), (1932, 10640), (1960, 10488), (1995, 10304), (2128, 9660), (2185, 9408), (2208, 9310), (2240, 9177), (2254, 9120), (2280, 9016), (2352, 8740), (2415, 8512), (2576, 7980), (2622, 7840), (2660, 7728), (2760, 7448), (2793, 7360), (2940, 6992), (3040, 6762), (3059, 6720), (3136, 6555), (3192, 6440), (3220, 6384), (3360, 6118), (3381, 6080), (3496, 5880), (3648, 5635), (3680, 5586), (3724, 5520), (3864, 5320), (3920, 5244), (3990, 5152), (4256, 4830), (4370, 4704), (4416, 4655), (4508, 4560)]