20367025896

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{471721}}^1$

素因数の和:471994

約数の個数: 64

約数和(自身を含む): 58418052480

約数和(自身を除く): 38051026584

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 257, 514, 771, 1028, 1542, 1799, 2056, 3084, 3598, 5397, 6168, 7196, 10794, 14392, 21588, 43176, 471721, 943442, 1415163, 1886884, 2830326, 3302047, 3773768, 5660652, 6604094, 9906141, 11321304, 13208188, 19812282, 26416376, 39624564, 79249128, 121232297, 242464594, 363696891, 484929188, 727393782, 848626079, 969858376, 1454787564, 1697252158, 2545878237, 2909575128, 3394504316, 5091756474, 6789008632, 10183512948, 20367025896]

約数ペア:

[(1, 20367025896), (2, 10183512948), (3, 6789008632), (4, 5091756474), (6, 3394504316), (7, 2909575128), (8, 2545878237), (12, 1697252158), (14, 1454787564), (21, 969858376), (24, 848626079), (28, 727393782), (42, 484929188), (56, 363696891), (84, 242464594), (168, 121232297), (257, 79249128), (514, 39624564), (771, 26416376), (1028, 19812282), (1542, 13208188), (1799, 11321304), (2056, 9906141), (3084, 6604094), (3598, 5660652), (5397, 3773768), (6168, 3302047), (7196, 2830326), (10794, 1886884), (14392, 1415163), (21588, 943442), (43176, 471721)]