20482089180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6966697}}^1$

素因数の和:6966723

約数の個数: 72

約数和(自身を含む): 66713100048

約数和(自身を除く): 46231010868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 6966697, 13933394, 20900091, 27866788, 34833485, 41800182, 48766879, 69666970, 83600364, 97533758, 104500455, 139333940, 146300637, 195067516, 209000910, 243834395, 292601274, 341368153, 418001820, 487668790, 585202548, 682736306, 731503185, 975337580, 1024104459, 1365472612, 1463006370, 1706840765, 2048208918, 2926012740, 3413681530, 4096417836, 5120522295, 6827363060, 10241044590, 20482089180]

約数ペア:

[(1, 20482089180), (2, 10241044590), (3, 6827363060), (4, 5120522295), (5, 4096417836), (6, 3413681530), (7, 2926012740), (10, 2048208918), (12, 1706840765), (14, 1463006370), (15, 1365472612), (20, 1024104459), (21, 975337580), (28, 731503185), (30, 682736306), (35, 585202548), (42, 487668790), (49, 418001820), (60, 341368153), (70, 292601274), (84, 243834395), (98, 209000910), (105, 195067516), (140, 146300637), (147, 139333940), (196, 104500455), (210, 97533758), (245, 83600364), (294, 69666970), (420, 48766879), (490, 41800182), (588, 34833485), (735, 27866788), (980, 20900091), (1470, 13933394), (2940, 6966697)]