20409519

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{677}}^1\times {\mathrm{773}}^1$

素因数の和:1466

約数の個数: 16

約数和(自身を含む): 29387232

約数和(自身を除く): 8977713

約数列:

[1, 3, 13, 39, 677, 773, 2031, 2319, 8801, 10049, 26403, 30147, 523321, 1569963, 6803173, 20409519]

約数ペア:

[(1, 20409519), (3, 6803173), (13, 1569963), (39, 523321), (677, 30147), (773, 26403), (2031, 10049), (2319, 8801)]