20986896384

素因数分解:

$2^{13}\times 3^2\times {\mathrm{281}}^1\times {\mathrm{1013}}^1$

素因数の和:1326

約数の個数: 168

約数和(自身を含む): 60900919092

約数和(自身を除く): 39914022708

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 281, 288, 384, 512, 562, 576, 768, 843, 1013, 1024, 1124, 1152, 1536, 1686, 2026, 2048, 2248, 2304, 2529, 3039, 3072, 3372, 4052, 4096, 4496, 4608, 5058, 6078, 6144, 6744, 8104, 8192, 8992, 9117, 9216, 10116, 12156, 12288, 13488, 16208, 17984, 18234, 18432, 20232, 24312, 24576, 26976, 32416, 35968, 36468, 36864, 40464, 48624, 53952, 64832, 71936, 72936, 73728, 80928, 97248, 107904, 129664, 143872, 145872, 161856, 194496, 215808, 259328, 284653, 287744, 291744, 323712, 388992, 431616, 518656, 569306, 575488, 583488, 647424, 777984, 853959, 863232, 1037312, 1138612, 1150976, 1166976, 1294848, 1555968, 1707918, 1726464, 2074624, 2277224, 2301952, 2333952, 2561877, 2589696, 3111936, 3415836, 3452928, 4149248, 4554448, 4667904, 5123754, 5179392, 6223872, 6831672, 6905856, 8298496, 9108896, 9335808, 10247508, 10358784, 12447744, 13663344, 18217792, 18671616, 20495016, 20717568, 24895488, 27326688, 36435584, 37343232, 40990032, 54653376, 72871168, 74686464, 81980064, 109306752, 145742336, 163960128, 218613504, 291484672, 327920256, 437227008, 582969344, 655840512, 874454016, 1165938688, 1311681024, 1748908032, 2331877376, 2623362048, 3497816064, 5246724096, 6995632128, 10493448192, 20986896384]

約数ペア:

[(1, 20986896384), (2, 10493448192), (3, 6995632128), (4, 5246724096), (6, 3497816064), (8, 2623362048), (9, 2331877376), (12, 1748908032), (16, 1311681024), (18, 1165938688), (24, 874454016), (32, 655840512), (36, 582969344), (48, 437227008), (64, 327920256), (72, 291484672), (96, 218613504), (128, 163960128), (144, 145742336), (192, 109306752), (256, 81980064), (281, 74686464), (288, 72871168), (384, 54653376), (512, 40990032), (562, 37343232), (576, 36435584), (768, 27326688), (843, 24895488), (1013, 20717568), (1024, 20495016), (1124, 18671616), (1152, 18217792), (1536, 13663344), (1686, 12447744), (2026, 10358784), (2048, 10247508), (2248, 9335808), (2304, 9108896), (2529, 8298496), (3039, 6905856), (3072, 6831672), (3372, 6223872), (4052, 5179392), (4096, 5123754), (4496, 4667904), (4608, 4554448), (5058, 4149248), (6078, 3452928), (6144, 3415836), (6744, 3111936), (8104, 2589696), (8192, 2561877), (8992, 2333952), (9117, 2301952), (9216, 2277224), (10116, 2074624), (12156, 1726464), (12288, 1707918), (13488, 1555968), (16208, 1294848), (17984, 1166976), (18234, 1150976), (18432, 1138612), (20232, 1037312), (24312, 863232), (24576, 853959), (26976, 777984), (32416, 647424), (35968, 583488), (36468, 575488), (36864, 569306), (40464, 518656), (48624, 431616), (53952, 388992), (64832, 323712), (71936, 291744), (72936, 287744), (73728, 284653), (80928, 259328), (97248, 215808), (107904, 194496), (129664, 161856), (143872, 145872)]