20816586

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{165211}}^1$

素因数の和:165226

約数の個数: 24

約数和(自身を含む): 51546144

約数和(自身を除く): 30729558

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 165211, 330422, 495633, 991266, 1156477, 1486899, 2312954, 2973798, 3469431, 6938862, 10408293, 20816586]

約数ペア:

[(1, 20816586), (2, 10408293), (3, 6938862), (6, 3469431), (7, 2973798), (9, 2312954), (14, 1486899), (18, 1156477), (21, 991266), (42, 495633), (63, 330422), (126, 165211)]