20873989760

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{132047}}^1$

素因数の和:132098

約数の個数: 128

約数和(自身を含む): 56569363200

約数和(自身を除く): 35695373440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 640, 760, 832, 988, 1040, 1216, 1235, 1520, 1664, 1976, 2080, 2432, 2470, 3040, 3952, 4160, 4940, 6080, 7904, 8320, 9880, 12160, 15808, 19760, 31616, 39520, 79040, 132047, 158080, 264094, 528188, 660235, 1056376, 1320470, 1716611, 2112752, 2508893, 2640940, 3433222, 4225504, 5017786, 5281880, 6866444, 8451008, 8583055, 10035572, 10563760, 12544465, 13732888, 16902016, 17166110, 20071144, 21127520, 25088930, 27465776, 32615609, 34332220, 40142288, 42255040, 50177860, 54931552, 65231218, 68664440, 80284576, 84510080, 100355720, 109863104, 130462436, 137328880, 160569152, 163078045, 200711440, 219726208, 260924872, 274657760, 321138304, 326156090, 401422880, 521849744, 549315520, 652312180, 802845760, 1043699488, 1098631040, 1304624360, 1605691520, 2087398976, 2609248720, 4174797952, 5218497440, 10436994880, 20873989760]

約数ペア:

[(1, 20873989760), (2, 10436994880), (4, 5218497440), (5, 4174797952), (8, 2609248720), (10, 2087398976), (13, 1605691520), (16, 1304624360), (19, 1098631040), (20, 1043699488), (26, 802845760), (32, 652312180), (38, 549315520), (40, 521849744), (52, 401422880), (64, 326156090), (65, 321138304), (76, 274657760), (80, 260924872), (95, 219726208), (104, 200711440), (128, 163078045), (130, 160569152), (152, 137328880), (160, 130462436), (190, 109863104), (208, 100355720), (247, 84510080), (260, 80284576), (304, 68664440), (320, 65231218), (380, 54931552), (416, 50177860), (494, 42255040), (520, 40142288), (608, 34332220), (640, 32615609), (760, 27465776), (832, 25088930), (988, 21127520), (1040, 20071144), (1216, 17166110), (1235, 16902016), (1520, 13732888), (1664, 12544465), (1976, 10563760), (2080, 10035572), (2432, 8583055), (2470, 8451008), (3040, 6866444), (3952, 5281880), (4160, 5017786), (4940, 4225504), (6080, 3433222), (7904, 2640940), (8320, 2508893), (9880, 2112752), (12160, 1716611), (15808, 1320470), (19760, 1056376), (31616, 660235), (39520, 528188), (79040, 264094), (132047, 158080)]