20386303232

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{743}}^1\times {\mathrm{5641}}^1$

素因数の和:6419

約数の個数: 72

約数和(自身を含む): 42899962560

約数和(自身を除く): 22513659328

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 743, 1216, 1486, 2432, 2972, 4864, 5641, 5944, 11282, 11888, 14117, 22564, 23776, 28234, 45128, 47552, 56468, 90256, 95104, 107179, 112936, 180512, 190208, 214358, 225872, 361024, 428716, 451744, 722048, 857432, 903488, 1444096, 1714864, 1806976, 3429728, 3613952, 4191263, 6859456, 8382526, 13718912, 16765052, 27437824, 33530104, 67060208, 79633997, 134120416, 159267994, 268240832, 318535988, 536481664, 637071976, 1072963328, 1274143952, 2548287904, 5096575808, 10193151616, 20386303232]

約数ペア:

[(1, 20386303232), (2, 10193151616), (4, 5096575808), (8, 2548287904), (16, 1274143952), (19, 1072963328), (32, 637071976), (38, 536481664), (64, 318535988), (76, 268240832), (128, 159267994), (152, 134120416), (256, 79633997), (304, 67060208), (608, 33530104), (743, 27437824), (1216, 16765052), (1486, 13718912), (2432, 8382526), (2972, 6859456), (4864, 4191263), (5641, 3613952), (5944, 3429728), (11282, 1806976), (11888, 1714864), (14117, 1444096), (22564, 903488), (23776, 857432), (28234, 722048), (45128, 451744), (47552, 428716), (56468, 361024), (90256, 225872), (95104, 214358), (107179, 190208), (112936, 180512)]