20839324

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{1193}}^1$

素因数の和:1605

約数の個数: 24

約数和(自身を含む): 39917808

約数和(自身を除く): 19078484

約数列:

[1, 2, 4, 11, 22, 44, 397, 794, 1193, 1588, 2386, 4367, 4772, 8734, 13123, 17468, 26246, 52492, 473621, 947242, 1894484, 5209831, 10419662, 20839324]

約数ペア:

[(1, 20839324), (2, 10419662), (4, 5209831), (11, 1894484), (22, 947242), (44, 473621), (397, 52492), (794, 26246), (1193, 17468), (1588, 13123), (2386, 8734), (4367, 4772)]