20650617

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{13577}}^1$

素因数の和:13609

約数の個数: 18

約数和(自身を含む): 32302062

約数和(自身を除く): 11651445

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 13577, 40731, 122193, 176501, 529503, 1588509, 2294513, 6883539, 20650617]

約数ペア:

[(1, 20650617), (3, 6883539), (9, 2294513), (13, 1588509), (39, 529503), (117, 176501), (169, 122193), (507, 40731), (1521, 13577)]