20508738292

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{7111213}}^1$

素因数の和:7111327

約数の個数: 24

約数和(自身を含む): 41415710336

約数和(自身を除く): 20906972044

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 7111213, 14222426, 28444852, 49778491, 99556982, 199113964, 732454939, 1464909878, 2929819756, 5127184573, 10254369146, 20508738292]

約数ペア:

[(1, 20508738292), (2, 10254369146), (4, 5127184573), (7, 2929819756), (14, 1464909878), (28, 732454939), (103, 199113964), (206, 99556982), (412, 49778491), (721, 28444852), (1442, 14222426), (2884, 7111213)]