20605442

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72047}}^1$

素因数の和:72073

約数の個数: 16

約数和(自身を含む): 36312192

約数和(自身を除く): 15706750

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 72047, 144094, 792517, 936611, 1585034, 1873222, 10302721, 20605442]

約数ペア:

[(1, 20605442), (2, 10302721), (11, 1873222), (13, 1585034), (22, 936611), (26, 792517), (143, 144094), (286, 72047)]