20731004

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{32191}}^1$

素因数の和:32225

約数の個数: 24

約数和(自身を含む): 43266048

約数和(自身を除く): 22535044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 32191, 64382, 128764, 225337, 450674, 740393, 901348, 1480786, 2961572, 5182751, 10365502, 20731004]

約数ペア:

[(1, 20731004), (2, 10365502), (4, 5182751), (7, 2961572), (14, 1480786), (23, 901348), (28, 740393), (46, 450674), (92, 225337), (161, 128764), (322, 64382), (644, 32191)]