20740322405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{81853}}^1$

素因数の和:82157

約数の個数: 32

約数和(自身を含む): 28854517248

約数和(自身を除く): 8114194843

約数列:

[1, 5, 11, 17, 55, 85, 187, 271, 935, 1355, 2981, 4607, 14905, 23035, 50677, 81853, 253385, 409265, 900383, 1391501, 4501915, 6957505, 15306511, 22182163, 76532555, 110910815, 244003793, 377096771, 1220018965, 1885483855, 4148064481, 20740322405]

約数ペア:

[(1, 20740322405), (5, 4148064481), (11, 1885483855), (17, 1220018965), (55, 377096771), (85, 244003793), (187, 110910815), (271, 76532555), (935, 22182163), (1355, 15306511), (2981, 6957505), (4607, 4501915), (14905, 1391501), (23035, 900383), (50677, 409265), (81853, 253385)]