20383377

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{6983}}^1$

素因数の和:7132

約数の個数: 16

約数和(自身を含む): 31288320

約数和(自身を除く): 10904943

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 6983, 20949, 48881, 146643, 970637, 2911911, 6794459, 20383377]

約数ペア:

[(1, 20383377), (3, 6794459), (7, 2911911), (21, 970637), (139, 146643), (417, 48881), (973, 20949), (2919, 6983)]