20772716041

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{689963}}^1$

素因数の和:690021

約数の個数: 32

約数和(自身を含む): 28614187008

約数和(自身を除く): 7841470967

約数列:

[1, 7, 11, 17, 23, 77, 119, 161, 187, 253, 391, 1309, 1771, 2737, 4301, 30107, 689963, 4829741, 7589593, 11729371, 15869149, 53127151, 82105597, 111084043, 129023081, 174560639, 269775533, 903161567, 1221924473, 1888428731, 2967530863, 20772716041]

約数ペア:

[(1, 20772716041), (7, 2967530863), (11, 1888428731), (17, 1221924473), (23, 903161567), (77, 269775533), (119, 174560639), (161, 129023081), (187, 111084043), (253, 82105597), (391, 53127151), (1309, 15869149), (1771, 11729371), (2737, 7589593), (4301, 4829741), (30107, 689963)]