20716444

素因数分解:

$2^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{2633}}^1$

素因数の和:2925

約数の個数: 24

約数和(自身を含む): 41596128

約数和(自身を除く): 20879684

約数列:

[1, 2, 4, 7, 14, 28, 281, 562, 1124, 1967, 2633, 3934, 5266, 7868, 10532, 18431, 36862, 73724, 739873, 1479746, 2959492, 5179111, 10358222, 20716444]

約数ペア:

[(1, 20716444), (2, 10358222), (4, 5179111), (7, 2959492), (14, 1479746), (28, 739873), (281, 73724), (562, 36862), (1124, 18431), (1967, 10532), (2633, 7868), (3934, 5266)]