20599936

素因数分解:

$2^7\times 7^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 47638080

約数和(自身を除く): 27038144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 83, 112, 128, 166, 224, 277, 332, 448, 554, 581, 664, 896, 1108, 1162, 1328, 1939, 2216, 2324, 2656, 3878, 4432, 4648, 5312, 7756, 8864, 9296, 10624, 15512, 17728, 18592, 22991, 31024, 35456, 37184, 45982, 62048, 74368, 91964, 124096, 160937, 183928, 248192, 321874, 367856, 643748, 735712, 1287496, 1471424, 2574992, 2942848, 5149984, 10299968, 20599936]

約数ペア:

[(1, 20599936), (2, 10299968), (4, 5149984), (7, 2942848), (8, 2574992), (14, 1471424), (16, 1287496), (28, 735712), (32, 643748), (56, 367856), (64, 321874), (83, 248192), (112, 183928), (128, 160937), (166, 124096), (224, 91964), (277, 74368), (332, 62048), (448, 45982), (554, 37184), (581, 35456), (664, 31024), (896, 22991), (1108, 18592), (1162, 17728), (1328, 15512), (1939, 10624), (2216, 9296), (2324, 8864), (2656, 7756), (3878, 5312), (4432, 4648)]