20665344

素因数分解:

$2^{10}\times 3^1\times 7^1\times {\mathrm{31}}^2$

素因数の和:92

約数の個数: 132

約数和(自身を含む): 65045472

約数和(自身を除く): 44380128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 64, 84, 93, 96, 112, 124, 128, 168, 186, 192, 217, 224, 248, 256, 336, 372, 384, 434, 448, 496, 512, 651, 672, 744, 768, 868, 896, 961, 992, 1024, 1302, 1344, 1488, 1536, 1736, 1792, 1922, 1984, 2604, 2688, 2883, 2976, 3072, 3472, 3584, 3844, 3968, 5208, 5376, 5766, 5952, 6727, 6944, 7168, 7688, 7936, 10416, 10752, 11532, 11904, 13454, 13888, 15376, 15872, 20181, 20832, 21504, 23064, 23808, 26908, 27776, 30752, 31744, 40362, 41664, 46128, 47616, 53816, 55552, 61504, 80724, 83328, 92256, 95232, 107632, 111104, 123008, 161448, 166656, 184512, 215264, 222208, 246016, 322896, 333312, 369024, 430528, 492032, 645792, 666624, 738048, 861056, 984064, 1291584, 1476096, 1722112, 2583168, 2952192, 3444224, 5166336, 6888448, 10332672, 20665344]

約数ペア:

[(1, 20665344), (2, 10332672), (3, 6888448), (4, 5166336), (6, 3444224), (7, 2952192), (8, 2583168), (12, 1722112), (14, 1476096), (16, 1291584), (21, 984064), (24, 861056), (28, 738048), (31, 666624), (32, 645792), (42, 492032), (48, 430528), (56, 369024), (62, 333312), (64, 322896), (84, 246016), (93, 222208), (96, 215264), (112, 184512), (124, 166656), (128, 161448), (168, 123008), (186, 111104), (192, 107632), (217, 95232), (224, 92256), (248, 83328), (256, 80724), (336, 61504), (372, 55552), (384, 53816), (434, 47616), (448, 46128), (496, 41664), (512, 40362), (651, 31744), (672, 30752), (744, 27776), (768, 26908), (868, 23808), (896, 23064), (961, 21504), (992, 20832), (1024, 20181), (1302, 15872), (1344, 15376), (1488, 13888), (1536, 13454), (1736, 11904), (1792, 11532), (1922, 10752), (1984, 10416), (2604, 7936), (2688, 7688), (2883, 7168), (2976, 6944), (3072, 6727), (3472, 5952), (3584, 5766), (3844, 5376), (3968, 5208)]