20356816

素因数分解:

$2^4\times {\mathrm{311}}^1\times {\mathrm{4091}}^1$

素因数の和:4410

約数の個数: 20

約数和(自身を含む): 39577824

約数和(自身を除く): 19221008

約数列:

[1, 2, 4, 8, 16, 311, 622, 1244, 2488, 4091, 4976, 8182, 16364, 32728, 65456, 1272301, 2544602, 5089204, 10178408, 20356816]

約数ペア:

[(1, 20356816), (2, 10178408), (4, 5089204), (8, 2544602), (16, 1272301), (311, 65456), (622, 32728), (1244, 16364), (2488, 8182), (4091, 4976)]