20520243912

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:673

約数の個数: 256

約数和(自身を含む): 62226432000

約数和(自身を除く): 41706188088

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 49, 56, 62, 84, 93, 98, 124, 147, 168, 186, 191, 196, 217, 248, 294, 343, 372, 382, 392, 421, 434, 573, 588, 651, 686, 744, 764, 842, 868, 1029, 1146, 1176, 1263, 1302, 1337, 1372, 1519, 1528, 1684, 1736, 2058, 2292, 2526, 2604, 2674, 2744, 2947, 3038, 3368, 4011, 4116, 4557, 4584, 5052, 5208, 5348, 5894, 5921, 6076, 8022, 8232, 8841, 9114, 9359, 10104, 10633, 10696, 11788, 11842, 12152, 13051, 16044, 17682, 17763, 18228, 18718, 20629, 21266, 23576, 23684, 26102, 28077, 31899, 32088, 35364, 35526, 36456, 37436, 39153, 41258, 41447, 42532, 47368, 52204, 56154, 61887, 63798, 65513, 70728, 71052, 74872, 78306, 80411, 82516, 82894, 85064, 91357, 104408, 112308, 123774, 124341, 127596, 131026, 142104, 144403, 156612, 160822, 165032, 165788, 182714, 196539, 224616, 241233, 247548, 248682, 255192, 262052, 274071, 288806, 290129, 313224, 321644, 331576, 365428, 393078, 433209, 482466, 495096, 497364, 524104, 548142, 562877, 577612, 580258, 639499, 643288, 730856, 786156, 866418, 870387, 964932, 994728, 1096284, 1125754, 1155224, 1160516, 1278998, 1572312, 1688631, 1732836, 1740774, 1918497, 1929864, 2030903, 2192568, 2251508, 2321032, 2492741, 2557996, 3377262, 3465672, 3481548, 3836994, 3940139, 4061806, 4476493, 4503016, 4985482, 5115992, 6092709, 6754524, 6963096, 7478223, 7673988, 7880278, 8123612, 8952986, 9970964, 11820417, 12185418, 13429479, 13509048, 14956446, 15347976, 15760556, 16247224, 17449187, 17905972, 19941928, 23640834, 24370836, 26858958, 27580973, 29912892, 31521112, 34898374, 35811944, 47281668, 48741672, 52347561, 53717916, 55161946, 59825784, 69796748, 82742919, 94563336, 104695122, 107435832, 110323892, 122144309, 139593496, 165485838, 209390244, 220647784, 244288618, 330971676, 366432927, 418780488, 488577236, 661943352, 732865854, 855010163, 977154472, 1465731708, 1710020326, 2565030489, 2931463416, 3420040652, 5130060978, 6840081304, 10260121956, 20520243912]

約数ペア:

[(1, 20520243912), (2, 10260121956), (3, 6840081304), (4, 5130060978), (6, 3420040652), (7, 2931463416), (8, 2565030489), (12, 1710020326), (14, 1465731708), (21, 977154472), (24, 855010163), (28, 732865854), (31, 661943352), (42, 488577236), (49, 418780488), (56, 366432927), (62, 330971676), (84, 244288618), (93, 220647784), (98, 209390244), (124, 165485838), (147, 139593496), (168, 122144309), (186, 110323892), (191, 107435832), (196, 104695122), (217, 94563336), (248, 82742919), (294, 69796748), (343, 59825784), (372, 55161946), (382, 53717916), (392, 52347561), (421, 48741672), (434, 47281668), (573, 35811944), (588, 34898374), (651, 31521112), (686, 29912892), (744, 27580973), (764, 26858958), (842, 24370836), (868, 23640834), (1029, 19941928), (1146, 17905972), (1176, 17449187), (1263, 16247224), (1302, 15760556), (1337, 15347976), (1372, 14956446), (1519, 13509048), (1528, 13429479), (1684, 12185418), (1736, 11820417), (2058, 9970964), (2292, 8952986), (2526, 8123612), (2604, 7880278), (2674, 7673988), (2744, 7478223), (2947, 6963096), (3038, 6754524), (3368, 6092709), (4011, 5115992), (4116, 4985482), (4557, 4503016), (4584, 4476493), (5052, 4061806), (5208, 3940139), (5348, 3836994), (5894, 3481548), (5921, 3465672), (6076, 3377262), (8022, 2557996), (8232, 2492741), (8841, 2321032), (9114, 2251508), (9359, 2192568), (10104, 2030903), (10633, 1929864), (10696, 1918497), (11788, 1740774), (11842, 1732836), (12152, 1688631), (13051, 1572312), (16044, 1278998), (17682, 1160516), (17763, 1155224), (18228, 1125754), (18718, 1096284), (20629, 994728), (21266, 964932), (23576, 870387), (23684, 866418), (26102, 786156), (28077, 730856), (31899, 643288), (32088, 639499), (35364, 580258), (35526, 577612), (36456, 562877), (37436, 548142), (39153, 524104), (41258, 497364), (41447, 495096), (42532, 482466), (47368, 433209), (52204, 393078), (56154, 365428), (61887, 331576), (63798, 321644), (65513, 313224), (70728, 290129), (71052, 288806), (74872, 274071), (78306, 262052), (80411, 255192), (82516, 248682), (82894, 247548), (85064, 241233), (91357, 224616), (104408, 196539), (112308, 182714), (123774, 165788), (124341, 165032), (127596, 160822), (131026, 156612), (142104, 144403)]