20450176

素因数分解:

$2^7\times {\mathrm{197}}^1\times {\mathrm{811}}^1$

素因数の和:1022

約数の個数: 32

約数和(自身を含む): 40997880

約数和(自身を除く): 20547704

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 197, 394, 788, 811, 1576, 1622, 3152, 3244, 6304, 6488, 12608, 12976, 25216, 25952, 51904, 103808, 159767, 319534, 639068, 1278136, 2556272, 5112544, 10225088, 20450176]

約数ペア:

[(1, 20450176), (2, 10225088), (4, 5112544), (8, 2556272), (16, 1278136), (32, 639068), (64, 319534), (128, 159767), (197, 103808), (394, 51904), (788, 25952), (811, 25216), (1576, 12976), (1622, 12608), (3152, 6488), (3244, 6304)]