20183296

素因数分解:

$2^8\times 7^2\times {\mathrm{1609}}^1$

素因数の和:1639

約数の個数: 54

約数和(自身を含む): 46894470

約数和(自身を除く): 26711174

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 784, 896, 1568, 1609, 1792, 3136, 3218, 6272, 6436, 11263, 12544, 12872, 22526, 25744, 45052, 51488, 78841, 90104, 102976, 157682, 180208, 205952, 315364, 360416, 411904, 630728, 720832, 1261456, 1441664, 2522912, 2883328, 5045824, 10091648, 20183296]

約数ペア:

[(1, 20183296), (2, 10091648), (4, 5045824), (7, 2883328), (8, 2522912), (14, 1441664), (16, 1261456), (28, 720832), (32, 630728), (49, 411904), (56, 360416), (64, 315364), (98, 205952), (112, 180208), (128, 157682), (196, 102976), (224, 90104), (256, 78841), (392, 51488), (448, 45052), (784, 25744), (896, 22526), (1568, 12872), (1609, 12544), (1792, 11263), (3136, 6436), (3218, 6272)]