20551296

素因数分解:

$2^7\times 3^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:617

約数の個数: 64

約数和(自身を含む): 55202400

約数和(自身を除く): 34651104

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 109, 128, 192, 218, 327, 384, 436, 491, 654, 872, 982, 1308, 1473, 1744, 1964, 2616, 2946, 3488, 3928, 5232, 5892, 6976, 7856, 10464, 11784, 13952, 15712, 20928, 23568, 31424, 41856, 47136, 53519, 62848, 94272, 107038, 160557, 188544, 214076, 321114, 428152, 642228, 856304, 1284456, 1712608, 2568912, 3425216, 5137824, 6850432, 10275648, 20551296]

約数ペア:

[(1, 20551296), (2, 10275648), (3, 6850432), (4, 5137824), (6, 3425216), (8, 2568912), (12, 1712608), (16, 1284456), (24, 856304), (32, 642228), (48, 428152), (64, 321114), (96, 214076), (109, 188544), (128, 160557), (192, 107038), (218, 94272), (327, 62848), (384, 53519), (436, 47136), (491, 41856), (654, 31424), (872, 23568), (982, 20928), (1308, 15712), (1473, 13952), (1744, 11784), (1964, 10464), (2616, 7856), (2946, 6976), (3488, 5892), (3928, 5232)]