20985775872

素因数分解:

$2^8\times 3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{21499}}^1$

素因数の和:21590

約数の個数: 144

約数和(自身を含む): 59063424000

約数和(自身を除く): 38077648128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 41, 48, 62, 64, 82, 93, 96, 123, 124, 128, 164, 186, 192, 246, 248, 256, 328, 372, 384, 492, 496, 656, 744, 768, 984, 992, 1271, 1312, 1488, 1968, 1984, 2542, 2624, 2976, 3813, 3936, 3968, 5084, 5248, 5952, 7626, 7872, 7936, 10168, 10496, 11904, 15252, 15744, 20336, 21499, 23808, 30504, 31488, 40672, 42998, 61008, 64497, 81344, 85996, 122016, 128994, 162688, 171992, 244032, 257988, 325376, 343984, 488064, 515976, 666469, 687968, 881459, 976128, 1031952, 1332938, 1375936, 1762918, 1999407, 2063904, 2644377, 2665876, 2751872, 3525836, 3998814, 4127808, 5288754, 5331752, 5503744, 7051672, 7997628, 8255616, 10577508, 10663504, 14103344, 15995256, 16511232, 21155016, 21327008, 27325229, 28206688, 31990512, 42310032, 42654016, 54650458, 56413376, 63981024, 81975687, 84620064, 85308032, 109300916, 112826752, 127962048, 163951374, 169240128, 170616064, 218601832, 225653504, 255924096, 327902748, 338480256, 437203664, 511848192, 655805496, 676960512, 874407328, 1311610992, 1748814656, 2623221984, 3497629312, 5246443968, 6995258624, 10492887936, 20985775872]

約数ペア:

[(1, 20985775872), (2, 10492887936), (3, 6995258624), (4, 5246443968), (6, 3497629312), (8, 2623221984), (12, 1748814656), (16, 1311610992), (24, 874407328), (31, 676960512), (32, 655805496), (41, 511848192), (48, 437203664), (62, 338480256), (64, 327902748), (82, 255924096), (93, 225653504), (96, 218601832), (123, 170616064), (124, 169240128), (128, 163951374), (164, 127962048), (186, 112826752), (192, 109300916), (246, 85308032), (248, 84620064), (256, 81975687), (328, 63981024), (372, 56413376), (384, 54650458), (492, 42654016), (496, 42310032), (656, 31990512), (744, 28206688), (768, 27325229), (984, 21327008), (992, 21155016), (1271, 16511232), (1312, 15995256), (1488, 14103344), (1968, 10663504), (1984, 10577508), (2542, 8255616), (2624, 7997628), (2976, 7051672), (3813, 5503744), (3936, 5331752), (3968, 5288754), (5084, 4127808), (5248, 3998814), (5952, 3525836), (7626, 2751872), (7872, 2665876), (7936, 2644377), (10168, 2063904), (10496, 1999407), (11904, 1762918), (15252, 1375936), (15744, 1332938), (20336, 1031952), (21499, 976128), (23808, 881459), (30504, 687968), (31488, 666469), (40672, 515976), (42998, 488064), (61008, 343984), (64497, 325376), (81344, 257988), (85996, 244032), (122016, 171992), (128994, 162688)]