20153547

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{6203}}^1$

素因数の和:6247

約数の個数: 18

約数和(自身を含む): 30728412

約数和(自身を除く): 10574865

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 6203, 18609, 55827, 117857, 353571, 1060713, 2239283, 6717849, 20153547]

約数ペア:

[(1, 20153547), (3, 6717849), (9, 2239283), (19, 1060713), (57, 353571), (171, 117857), (361, 55827), (1083, 18609), (3249, 6203)]