20854948352

素因数分解:

$2^9\times 7^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{1009}}^1$

素因数の和:1186

約数の個数: 160

約数和(自身を含む): 48933772800

約数和(自身を除く): 28078824448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 79, 112, 128, 146, 158, 224, 256, 292, 316, 448, 511, 512, 553, 584, 632, 896, 1009, 1022, 1106, 1168, 1264, 1792, 2018, 2044, 2212, 2336, 2528, 3584, 4036, 4088, 4424, 4672, 5056, 5767, 7063, 8072, 8176, 8848, 9344, 10112, 11534, 14126, 16144, 16352, 17696, 18688, 20224, 23068, 28252, 32288, 32704, 35392, 37376, 40369, 40448, 46136, 56504, 64576, 65408, 70784, 73657, 79711, 80738, 92272, 113008, 129152, 130816, 141568, 147314, 159422, 161476, 184544, 226016, 258304, 261632, 283136, 294628, 318844, 322952, 369088, 452032, 515599, 516608, 557977, 589256, 637688, 645904, 738176, 904064, 1031198, 1115954, 1178512, 1275376, 1291808, 1476352, 1808128, 2062396, 2231908, 2357024, 2550752, 2583616, 2952704, 3616256, 4124792, 4463816, 4714048, 5101504, 5167232, 5818903, 8249584, 8927632, 9428096, 10203008, 10334464, 11637806, 16499168, 17855264, 18856192, 20406016, 20668928, 23275612, 32998336, 35710528, 37712384, 40732321, 40812032, 46551224, 65996672, 71421056, 81464642, 93102448, 131993344, 142842112, 162929284, 186204896, 263986688, 285684224, 325858568, 372409792, 651717136, 744819584, 1303434272, 1489639168, 2606868544, 2979278336, 5213737088, 10427474176, 20854948352]

約数ペア:

[(1, 20854948352), (2, 10427474176), (4, 5213737088), (7, 2979278336), (8, 2606868544), (14, 1489639168), (16, 1303434272), (28, 744819584), (32, 651717136), (56, 372409792), (64, 325858568), (73, 285684224), (79, 263986688), (112, 186204896), (128, 162929284), (146, 142842112), (158, 131993344), (224, 93102448), (256, 81464642), (292, 71421056), (316, 65996672), (448, 46551224), (511, 40812032), (512, 40732321), (553, 37712384), (584, 35710528), (632, 32998336), (896, 23275612), (1009, 20668928), (1022, 20406016), (1106, 18856192), (1168, 17855264), (1264, 16499168), (1792, 11637806), (2018, 10334464), (2044, 10203008), (2212, 9428096), (2336, 8927632), (2528, 8249584), (3584, 5818903), (4036, 5167232), (4088, 5101504), (4424, 4714048), (4672, 4463816), (5056, 4124792), (5767, 3616256), (7063, 2952704), (8072, 2583616), (8176, 2550752), (8848, 2357024), (9344, 2231908), (10112, 2062396), (11534, 1808128), (14126, 1476352), (16144, 1291808), (16352, 1275376), (17696, 1178512), (18688, 1115954), (20224, 1031198), (23068, 904064), (28252, 738176), (32288, 645904), (32704, 637688), (35392, 589256), (37376, 557977), (40369, 516608), (40448, 515599), (46136, 452032), (56504, 369088), (64576, 322952), (65408, 318844), (70784, 294628), (73657, 283136), (79711, 261632), (80738, 258304), (92272, 226016), (113008, 184544), (129152, 161476), (130816, 159422), (141568, 147314)]