20717386855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{471439}}^1$

素因数の和:471519

約数の個数: 32

約数和(自身を含む): 29327339520

約数和(自身を除く): 8609952665

約数列:

[1, 5, 11, 17, 47, 55, 85, 187, 235, 517, 799, 935, 2585, 3995, 8789, 43945, 471439, 2357195, 5185829, 8014463, 22157633, 25929145, 40072315, 88159093, 110788165, 243733963, 376679761, 440795465, 1218669815, 1883398805, 4143477371, 20717386855]

約数ペア:

[(1, 20717386855), (5, 4143477371), (11, 1883398805), (17, 1218669815), (47, 440795465), (55, 376679761), (85, 243733963), (187, 110788165), (235, 88159093), (517, 40072315), (799, 25929145), (935, 22157633), (2585, 8014463), (3995, 5185829), (8789, 2357195), (43945, 471439)]