20207040

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:155

約数の個数: 224

約数和(自身を含む): 76468224

約数和(自身を除く): 56261184

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 64, 70, 80, 84, 93, 96, 97, 105, 112, 120, 124, 140, 155, 160, 168, 186, 192, 194, 210, 217, 224, 240, 248, 280, 291, 310, 320, 336, 372, 388, 420, 434, 448, 465, 480, 485, 496, 560, 582, 620, 651, 672, 679, 744, 776, 840, 868, 930, 960, 970, 992, 1085, 1120, 1164, 1240, 1302, 1344, 1358, 1455, 1488, 1552, 1680, 1736, 1860, 1940, 1984, 2037, 2170, 2240, 2328, 2480, 2604, 2716, 2910, 2976, 3007, 3104, 3255, 3360, 3395, 3472, 3720, 3880, 4074, 4340, 4656, 4960, 5208, 5432, 5820, 5952, 6014, 6208, 6510, 6720, 6790, 6944, 7440, 7760, 8148, 8680, 9021, 9312, 9920, 10185, 10416, 10864, 11640, 12028, 13020, 13580, 13888, 14880, 15035, 15520, 16296, 17360, 18042, 18624, 20370, 20832, 21049, 21728, 23280, 24056, 26040, 27160, 29760, 30070, 31040, 32592, 34720, 36084, 40740, 41664, 42098, 43456, 45105, 46560, 48112, 52080, 54320, 60140, 63147, 65184, 69440, 72168, 81480, 84196, 90210, 93120, 96224, 104160, 105245, 108640, 120280, 126294, 130368, 144336, 162960, 168392, 180420, 192448, 208320, 210490, 217280, 240560, 252588, 288672, 315735, 325920, 336784, 360840, 420980, 481120, 505176, 577344, 631470, 651840, 673568, 721680, 841960, 962240, 1010352, 1262940, 1347136, 1443360, 1683920, 2020704, 2525880, 2886720, 3367840, 4041408, 5051760, 6735680, 10103520, 20207040]

約数ペア:

[(1, 20207040), (2, 10103520), (3, 6735680), (4, 5051760), (5, 4041408), (6, 3367840), (7, 2886720), (8, 2525880), (10, 2020704), (12, 1683920), (14, 1443360), (15, 1347136), (16, 1262940), (20, 1010352), (21, 962240), (24, 841960), (28, 721680), (30, 673568), (31, 651840), (32, 631470), (35, 577344), (40, 505176), (42, 481120), (48, 420980), (56, 360840), (60, 336784), (62, 325920), (64, 315735), (70, 288672), (80, 252588), (84, 240560), (93, 217280), (96, 210490), (97, 208320), (105, 192448), (112, 180420), (120, 168392), (124, 162960), (140, 144336), (155, 130368), (160, 126294), (168, 120280), (186, 108640), (192, 105245), (194, 104160), (210, 96224), (217, 93120), (224, 90210), (240, 84196), (248, 81480), (280, 72168), (291, 69440), (310, 65184), (320, 63147), (336, 60140), (372, 54320), (388, 52080), (420, 48112), (434, 46560), (448, 45105), (465, 43456), (480, 42098), (485, 41664), (496, 40740), (560, 36084), (582, 34720), (620, 32592), (651, 31040), (672, 30070), (679, 29760), (744, 27160), (776, 26040), (840, 24056), (868, 23280), (930, 21728), (960, 21049), (970, 20832), (992, 20370), (1085, 18624), (1120, 18042), (1164, 17360), (1240, 16296), (1302, 15520), (1344, 15035), (1358, 14880), (1455, 13888), (1488, 13580), (1552, 13020), (1680, 12028), (1736, 11640), (1860, 10864), (1940, 10416), (1984, 10185), (2037, 9920), (2170, 9312), (2240, 9021), (2328, 8680), (2480, 8148), (2604, 7760), (2716, 7440), (2910, 6944), (2976, 6790), (3007, 6720), (3104, 6510), (3255, 6208), (3360, 6014), (3395, 5952), (3472, 5820), (3720, 5432), (3880, 5208), (4074, 4960), (4340, 4656)]