20776743

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{6577}}^1$

素因数の和:6605

約数の個数: 24

約数和(自身を含む): 33521488

約数和(自身を除く): 12744745

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 6577, 19731, 59193, 85501, 177579, 256503, 532737, 769509, 1598211, 2308527, 6925581, 20776743]

約数ペア:

[(1, 20776743), (3, 6925581), (9, 2308527), (13, 1598211), (27, 769509), (39, 532737), (81, 256503), (117, 177579), (243, 85501), (351, 59193), (1053, 19731), (3159, 6577)]