20755701504

素因数分解:

$2^8\times 3^2\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{701}}^1$

素因数の和:975

約数の個数: 216

約数和(自身を含む): 61109010144

約数和(自身を除く): 40353308640

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 71, 72, 96, 128, 142, 144, 181, 192, 213, 256, 284, 288, 362, 384, 426, 543, 568, 576, 639, 701, 724, 768, 852, 1086, 1136, 1152, 1278, 1402, 1448, 1629, 1704, 2103, 2172, 2272, 2304, 2556, 2804, 2896, 3258, 3408, 4206, 4344, 4544, 5112, 5608, 5792, 6309, 6516, 6816, 8412, 8688, 9088, 10224, 11216, 11584, 12618, 12851, 13032, 13632, 16824, 17376, 18176, 20448, 22432, 23168, 25236, 25702, 26064, 27264, 33648, 34752, 38553, 40896, 44864, 46336, 49771, 50472, 51404, 52128, 54528, 67296, 69504, 77106, 81792, 89728, 99542, 100944, 102808, 104256, 115659, 126881, 134592, 139008, 149313, 154212, 163584, 179456, 199084, 201888, 205616, 208512, 231318, 253762, 269184, 298626, 308424, 380643, 398168, 403776, 411232, 417024, 447939, 462636, 507524, 538368, 597252, 616848, 761286, 796336, 807552, 822464, 895878, 925272, 1015048, 1141929, 1194504, 1233696, 1522572, 1592672, 1615104, 1644928, 1791756, 1850544, 2030096, 2283858, 2389008, 2467392, 3045144, 3185344, 3289856, 3583512, 3701088, 4060192, 4567716, 4778016, 4934784, 6090288, 6370688, 7167024, 7402176, 8120384, 9008551, 9135432, 9556032, 9869568, 12180576, 12741376, 14334048, 14804352, 16240768, 18017102, 18270864, 19112064, 24361152, 27025653, 28668096, 29608704, 32481536, 36034204, 36541728, 38224128, 48722304, 54051306, 57336192, 72068408, 73083456, 81076959, 97444608, 108102612, 114672384, 144136816, 146166912, 162153918, 216205224, 288273632, 292333824, 324307836, 432410448, 576547264, 648615672, 864820896, 1153094528, 1297231344, 1729641792, 2306189056, 2594462688, 3459283584, 5188925376, 6918567168, 10377850752, 20755701504]

約数ペア:

[(1, 20755701504), (2, 10377850752), (3, 6918567168), (4, 5188925376), (6, 3459283584), (8, 2594462688), (9, 2306189056), (12, 1729641792), (16, 1297231344), (18, 1153094528), (24, 864820896), (32, 648615672), (36, 576547264), (48, 432410448), (64, 324307836), (71, 292333824), (72, 288273632), (96, 216205224), (128, 162153918), (142, 146166912), (144, 144136816), (181, 114672384), (192, 108102612), (213, 97444608), (256, 81076959), (284, 73083456), (288, 72068408), (362, 57336192), (384, 54051306), (426, 48722304), (543, 38224128), (568, 36541728), (576, 36034204), (639, 32481536), (701, 29608704), (724, 28668096), (768, 27025653), (852, 24361152), (1086, 19112064), (1136, 18270864), (1152, 18017102), (1278, 16240768), (1402, 14804352), (1448, 14334048), (1629, 12741376), (1704, 12180576), (2103, 9869568), (2172, 9556032), (2272, 9135432), (2304, 9008551), (2556, 8120384), (2804, 7402176), (2896, 7167024), (3258, 6370688), (3408, 6090288), (4206, 4934784), (4344, 4778016), (4544, 4567716), (5112, 4060192), (5608, 3701088), (5792, 3583512), (6309, 3289856), (6516, 3185344), (6816, 3045144), (8412, 2467392), (8688, 2389008), (9088, 2283858), (10224, 2030096), (11216, 1850544), (11584, 1791756), (12618, 1644928), (12851, 1615104), (13032, 1592672), (13632, 1522572), (16824, 1233696), (17376, 1194504), (18176, 1141929), (20448, 1015048), (22432, 925272), (23168, 895878), (25236, 822464), (25702, 807552), (26064, 796336), (27264, 761286), (33648, 616848), (34752, 597252), (38553, 538368), (40896, 507524), (44864, 462636), (46336, 447939), (49771, 417024), (50472, 411232), (51404, 403776), (52128, 398168), (54528, 380643), (67296, 308424), (69504, 298626), (77106, 269184), (81792, 253762), (89728, 231318), (99542, 208512), (100944, 205616), (102808, 201888), (104256, 199084), (115659, 179456), (126881, 163584), (134592, 154212), (139008, 149313)]