20343484

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{5227}}^1$

素因数の和:5377

約数の個数: 24

約数和(自身を含む): 40987520

約数和(自身を除く): 20644036

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 5227, 10454, 20908, 36589, 73178, 146356, 726553, 1453106, 2906212, 5085871, 10171742, 20343484]

約数ペア:

[(1, 20343484), (2, 10171742), (4, 5085871), (7, 2906212), (14, 1453106), (28, 726553), (139, 146356), (278, 73178), (556, 36589), (973, 20908), (1946, 10454), (3892, 5227)]