20508717173

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{11681}}^1$

素因数の和:12057

約数の個数: 32

約数和(自身を含む): 25330314240

約数和(自身を除く): 4821597067

約数列:

[1, 7, 19, 43, 133, 301, 307, 817, 2149, 5719, 5833, 11681, 13201, 40831, 81767, 92407, 221939, 250819, 502283, 1553573, 1755733, 3515981, 3586067, 9543377, 25102469, 66803639, 68135273, 154200881, 476946911, 1079406167, 2929816739, 20508717173]

約数ペア:

[(1, 20508717173), (7, 2929816739), (19, 1079406167), (43, 476946911), (133, 154200881), (301, 68135273), (307, 66803639), (817, 25102469), (2149, 9543377), (5719, 3586067), (5833, 3515981), (11681, 1755733), (13201, 1553573), (40831, 502283), (81767, 250819), (92407, 221939)]