20690154

素因数分解:

$2^1\times 3^4\times {\mathrm{127717}}^1$

素因数の和:127731

約数の個数: 20

約数和(自身を含む): 46361634

約数和(自身を除く): 25671480

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 127717, 255434, 383151, 766302, 1149453, 2298906, 3448359, 6896718, 10345077, 20690154]

約数ペア:

[(1, 20690154), (2, 10345077), (3, 6896718), (6, 3448359), (9, 2298906), (18, 1149453), (27, 766302), (54, 383151), (81, 255434), (162, 127717)]