20803982607

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{12143}}^1$

素因数の和:12444

約数の個数: 48

約数和(自身を含む): 32509002240

約数和(自身を除く): 11705019633

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 233, 387, 699, 817, 2097, 2451, 4427, 7353, 10019, 12143, 13281, 30057, 36429, 39843, 90171, 109287, 190361, 230717, 522149, 571083, 692151, 1566447, 1713249, 2076453, 2829319, 4699341, 8487957, 9920831, 25463871, 29762493, 53757061, 89287479, 121660717, 161271183, 364982151, 483813549, 1094946453, 2311553623, 6934660869, 20803982607]

約数ペア:

[(1, 20803982607), (3, 6934660869), (9, 2311553623), (19, 1094946453), (43, 483813549), (57, 364982151), (129, 161271183), (171, 121660717), (233, 89287479), (387, 53757061), (699, 29762493), (817, 25463871), (2097, 9920831), (2451, 8487957), (4427, 4699341), (7353, 2829319), (10019, 2076453), (12143, 1713249), (13281, 1566447), (30057, 692151), (36429, 571083), (39843, 522149), (90171, 230717), (109287, 190361)]