20348042

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71147}}^1$

素因数の和:71173

約数の個数: 16

約数和(自身を含む): 35858592

約数和(自身を除く): 15510550

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 71147, 142294, 782617, 924911, 1565234, 1849822, 10174021, 20348042]

約数ペア:

[(1, 20348042), (2, 10174021), (11, 1849822), (13, 1565234), (22, 924911), (26, 782617), (143, 142294), (286, 71147)]