20776994

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{4111}}^1$

素因数の和:4158

約数の個数: 24

約数和(自身を含む): 37600128

約数和(自身を除く): 16823134

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 4111, 5054, 8222, 28777, 57554, 78109, 156218, 546763, 1093526, 1484071, 2968142, 10388497, 20776994]

約数ペア:

[(1, 20776994), (2, 10388497), (7, 2968142), (14, 1484071), (19, 1093526), (38, 546763), (133, 156218), (266, 78109), (361, 57554), (722, 28777), (2527, 8222), (4111, 5054)]