20394528

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:151

約数の個数: 192

約数和(自身を含む): 69672960

約数和(自身を除く): 49278432

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 31, 32, 33, 42, 44, 48, 56, 62, 66, 77, 84, 88, 89, 93, 96, 112, 124, 132, 154, 168, 176, 178, 186, 217, 224, 231, 248, 264, 267, 308, 336, 341, 352, 356, 372, 434, 462, 496, 528, 534, 616, 623, 651, 672, 682, 712, 744, 868, 924, 979, 992, 1023, 1056, 1068, 1232, 1246, 1302, 1364, 1424, 1488, 1736, 1848, 1869, 1958, 2046, 2136, 2387, 2464, 2492, 2604, 2728, 2759, 2848, 2937, 2976, 3472, 3696, 3738, 3916, 4092, 4272, 4774, 4984, 5208, 5456, 5518, 5874, 6853, 6944, 7161, 7392, 7476, 7832, 8184, 8277, 8544, 9548, 9968, 10416, 10912, 11036, 11748, 13706, 14322, 14952, 15664, 16368, 16554, 19096, 19313, 19936, 20559, 20832, 22072, 23496, 27412, 28644, 29904, 30349, 31328, 32736, 33108, 38192, 38626, 41118, 44144, 46992, 54824, 57288, 57939, 59808, 60698, 66216, 76384, 77252, 82236, 88288, 91047, 93984, 109648, 114576, 115878, 121396, 132432, 154504, 164472, 182094, 212443, 219296, 229152, 231756, 242792, 264864, 309008, 328944, 364188, 424886, 463512, 485584, 618016, 637329, 657888, 728376, 849772, 927024, 971168, 1274658, 1456752, 1699544, 1854048, 2549316, 2913504, 3399088, 5098632, 6798176, 10197264, 20394528]

約数ペア:

[(1, 20394528), (2, 10197264), (3, 6798176), (4, 5098632), (6, 3399088), (7, 2913504), (8, 2549316), (11, 1854048), (12, 1699544), (14, 1456752), (16, 1274658), (21, 971168), (22, 927024), (24, 849772), (28, 728376), (31, 657888), (32, 637329), (33, 618016), (42, 485584), (44, 463512), (48, 424886), (56, 364188), (62, 328944), (66, 309008), (77, 264864), (84, 242792), (88, 231756), (89, 229152), (93, 219296), (96, 212443), (112, 182094), (124, 164472), (132, 154504), (154, 132432), (168, 121396), (176, 115878), (178, 114576), (186, 109648), (217, 93984), (224, 91047), (231, 88288), (248, 82236), (264, 77252), (267, 76384), (308, 66216), (336, 60698), (341, 59808), (352, 57939), (356, 57288), (372, 54824), (434, 46992), (462, 44144), (496, 41118), (528, 38626), (534, 38192), (616, 33108), (623, 32736), (651, 31328), (672, 30349), (682, 29904), (712, 28644), (744, 27412), (868, 23496), (924, 22072), (979, 20832), (992, 20559), (1023, 19936), (1056, 19313), (1068, 19096), (1232, 16554), (1246, 16368), (1302, 15664), (1364, 14952), (1424, 14322), (1488, 13706), (1736, 11748), (1848, 11036), (1869, 10912), (1958, 10416), (2046, 9968), (2136, 9548), (2387, 8544), (2464, 8277), (2492, 8184), (2604, 7832), (2728, 7476), (2759, 7392), (2848, 7161), (2937, 6944), (2976, 6853), (3472, 5874), (3696, 5518), (3738, 5456), (3916, 5208), (4092, 4984), (4272, 4774)]