20008539

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{13001}}^1$

素因数の和:13032

約数の個数: 20

約数和(自身を含む): 31464840

約数和(自身を除く): 11456301

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 13001, 39003, 117009, 247019, 351027, 741057, 1053081, 2223171, 6669513, 20008539]

約数ペア:

[(1, 20008539), (3, 6669513), (9, 2223171), (19, 1053081), (27, 741057), (57, 351027), (81, 247019), (171, 117009), (513, 39003), (1539, 13001)]