20173727568

素因数分解:

$2^4\times 3^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1\times {\mathrm{12953}}^1$

素因数の和:13492

約数の個数: 80

約数和(自身を含む): 52969216896

約数和(自身を除く): 32795489328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 71, 142, 213, 284, 426, 457, 568, 852, 914, 1136, 1371, 1704, 1828, 2742, 3408, 3656, 5484, 7312, 10968, 12953, 21936, 25906, 32447, 38859, 51812, 64894, 77718, 97341, 103624, 129788, 155436, 194682, 207248, 259576, 310872, 389364, 519152, 621744, 778728, 919663, 1557456, 1839326, 2758989, 3678652, 5517978, 5919521, 7357304, 11035956, 11839042, 14714608, 17758563, 22071912, 23678084, 35517126, 44143824, 47356168, 71034252, 94712336, 142068504, 284137008, 420285991, 840571982, 1260857973, 1681143964, 2521715946, 3362287928, 5043431892, 6724575856, 10086863784, 20173727568]

約数ペア:

[(1, 20173727568), (2, 10086863784), (3, 6724575856), (4, 5043431892), (6, 3362287928), (8, 2521715946), (12, 1681143964), (16, 1260857973), (24, 840571982), (48, 420285991), (71, 284137008), (142, 142068504), (213, 94712336), (284, 71034252), (426, 47356168), (457, 44143824), (568, 35517126), (852, 23678084), (914, 22071912), (1136, 17758563), (1371, 14714608), (1704, 11839042), (1828, 11035956), (2742, 7357304), (3408, 5919521), (3656, 5517978), (5484, 3678652), (7312, 2758989), (10968, 1839326), (12953, 1557456), (21936, 919663), (25906, 778728), (32447, 621744), (38859, 519152), (51812, 389364), (64894, 310872), (77718, 259576), (97341, 207248), (103624, 194682), (129788, 155436)]