20699448

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{487}}^1$

素因数の和:537

約数の個数: 128

約数和(自身を含む): 67461120

約数和(自身を除く): 46761672

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 23, 24, 28, 33, 42, 44, 46, 56, 66, 69, 77, 84, 88, 92, 132, 138, 154, 161, 168, 184, 231, 253, 264, 276, 308, 322, 462, 483, 487, 506, 552, 616, 644, 759, 924, 966, 974, 1012, 1288, 1461, 1518, 1771, 1848, 1932, 1948, 2024, 2922, 3036, 3409, 3542, 3864, 3896, 5313, 5357, 5844, 6072, 6818, 7084, 10227, 10626, 10714, 11201, 11688, 13636, 14168, 16071, 20454, 21252, 21428, 22402, 27272, 32142, 33603, 37499, 40908, 42504, 42856, 44804, 64284, 67206, 74998, 78407, 81816, 89608, 112497, 123211, 128568, 134412, 149996, 156814, 224994, 235221, 246422, 268824, 299992, 313628, 369633, 449988, 470442, 492844, 627256, 739266, 862477, 899976, 940884, 985688, 1478532, 1724954, 1881768, 2587431, 2957064, 3449908, 5174862, 6899816, 10349724, 20699448]

約数ペア:

[(1, 20699448), (2, 10349724), (3, 6899816), (4, 5174862), (6, 3449908), (7, 2957064), (8, 2587431), (11, 1881768), (12, 1724954), (14, 1478532), (21, 985688), (22, 940884), (23, 899976), (24, 862477), (28, 739266), (33, 627256), (42, 492844), (44, 470442), (46, 449988), (56, 369633), (66, 313628), (69, 299992), (77, 268824), (84, 246422), (88, 235221), (92, 224994), (132, 156814), (138, 149996), (154, 134412), (161, 128568), (168, 123211), (184, 112497), (231, 89608), (253, 81816), (264, 78407), (276, 74998), (308, 67206), (322, 64284), (462, 44804), (483, 42856), (487, 42504), (506, 40908), (552, 37499), (616, 33603), (644, 32142), (759, 27272), (924, 22402), (966, 21428), (974, 21252), (1012, 20454), (1288, 16071), (1461, 14168), (1518, 13636), (1771, 11688), (1848, 11201), (1932, 10714), (1948, 10626), (2024, 10227), (2922, 7084), (3036, 6818), (3409, 6072), (3542, 5844), (3864, 5357), (3896, 5313)]