20212598784

素因数分解:

$2^{11}\times 3^1\times 7^2\times {\mathrm{67139}}^1$

素因数の和:67178

約数の個数: 144

約数和(自身を含む): 62685932400

約数和(自身を除く): 42473333616

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 64, 84, 96, 98, 112, 128, 147, 168, 192, 196, 224, 256, 294, 336, 384, 392, 448, 512, 588, 672, 768, 784, 896, 1024, 1176, 1344, 1536, 1568, 1792, 2048, 2352, 2688, 3072, 3136, 3584, 4704, 5376, 6144, 6272, 7168, 9408, 10752, 12544, 14336, 18816, 21504, 25088, 37632, 43008, 50176, 67139, 75264, 100352, 134278, 150528, 201417, 268556, 301056, 402834, 469973, 537112, 805668, 939946, 1074224, 1409919, 1611336, 1879892, 2148448, 2819838, 3222672, 3289811, 3759784, 4296896, 5639676, 6445344, 6579622, 7519568, 8593792, 9869433, 11279352, 12890688, 13159244, 15039136, 17187584, 19738866, 22558704, 25781376, 26318488, 30078272, 34375168, 39477732, 45117408, 51562752, 52636976, 60156544, 68750336, 78955464, 90234816, 103125504, 105273952, 120313088, 137500672, 157910928, 180469632, 206251008, 210547904, 240626176, 315821856, 360939264, 412502016, 421095808, 481252352, 631643712, 721878528, 842191616, 962504704, 1263287424, 1443757056, 1684383232, 2526574848, 2887514112, 3368766464, 5053149696, 6737532928, 10106299392, 20212598784]

約数ペア:

[(1, 20212598784), (2, 10106299392), (3, 6737532928), (4, 5053149696), (6, 3368766464), (7, 2887514112), (8, 2526574848), (12, 1684383232), (14, 1443757056), (16, 1263287424), (21, 962504704), (24, 842191616), (28, 721878528), (32, 631643712), (42, 481252352), (48, 421095808), (49, 412502016), (56, 360939264), (64, 315821856), (84, 240626176), (96, 210547904), (98, 206251008), (112, 180469632), (128, 157910928), (147, 137500672), (168, 120313088), (192, 105273952), (196, 103125504), (224, 90234816), (256, 78955464), (294, 68750336), (336, 60156544), (384, 52636976), (392, 51562752), (448, 45117408), (512, 39477732), (588, 34375168), (672, 30078272), (768, 26318488), (784, 25781376), (896, 22558704), (1024, 19738866), (1176, 17187584), (1344, 15039136), (1536, 13159244), (1568, 12890688), (1792, 11279352), (2048, 9869433), (2352, 8593792), (2688, 7519568), (3072, 6579622), (3136, 6445344), (3584, 5639676), (4704, 4296896), (5376, 3759784), (6144, 3289811), (6272, 3222672), (7168, 2819838), (9408, 2148448), (10752, 1879892), (12544, 1611336), (14336, 1409919), (18816, 1074224), (21504, 939946), (25088, 805668), (37632, 537112), (43008, 469973), (50176, 402834), (67139, 301056), (75264, 268556), (100352, 201417), (134278, 150528)]