20953184

素因数分解:

$2^5\times 7^3\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:137

約数の個数: 96

約数和(自身を含む): 50803200

約数和(自身を除く): 29850016

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 83, 92, 98, 112, 161, 166, 184, 196, 224, 322, 332, 343, 368, 392, 581, 644, 664, 686, 736, 784, 1127, 1162, 1288, 1328, 1372, 1568, 1909, 2254, 2324, 2576, 2656, 2744, 3818, 4067, 4508, 4648, 5152, 5488, 7636, 7889, 8134, 9016, 9296, 10976, 13363, 15272, 15778, 16268, 18032, 18592, 26726, 28469, 30544, 31556, 32536, 36064, 53452, 56938, 61088, 63112, 65072, 93541, 106904, 113876, 126224, 130144, 187082, 213808, 227752, 252448, 374164, 427616, 455504, 654787, 748328, 911008, 1309574, 1496656, 2619148, 2993312, 5238296, 10476592, 20953184]

約数ペア:

[(1, 20953184), (2, 10476592), (4, 5238296), (7, 2993312), (8, 2619148), (14, 1496656), (16, 1309574), (23, 911008), (28, 748328), (32, 654787), (46, 455504), (49, 427616), (56, 374164), (83, 252448), (92, 227752), (98, 213808), (112, 187082), (161, 130144), (166, 126224), (184, 113876), (196, 106904), (224, 93541), (322, 65072), (332, 63112), (343, 61088), (368, 56938), (392, 53452), (581, 36064), (644, 32536), (664, 31556), (686, 30544), (736, 28469), (784, 26726), (1127, 18592), (1162, 18032), (1288, 16268), (1328, 15778), (1372, 15272), (1568, 13363), (1909, 10976), (2254, 9296), (2324, 9016), (2576, 8134), (2656, 7889), (2744, 7636), (3818, 5488), (4067, 5152), (4508, 4648)]