20109297

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{16633}}^1$

素因数の和:16680

約数の個数: 16

約数和(自身を含む): 29808128

約数和(自身を除く): 9698831

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 16633, 49899, 216229, 515623, 648687, 1546869, 6703099, 20109297]

約数ペア:

[(1, 20109297), (3, 6703099), (13, 1546869), (31, 648687), (39, 515623), (93, 216229), (403, 49899), (1209, 16633)]