20132189

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{911}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 26199936

約数和(自身を除く): 6067747

約数列:

[1, 7, 11, 41, 49, 77, 287, 451, 539, 911, 2009, 3157, 6377, 10021, 22099, 37351, 44639, 70147, 261457, 410861, 491029, 1830199, 2876027, 20132189]

約数ペア:

[(1, 20132189), (7, 2876027), (11, 1830199), (41, 491029), (49, 410861), (77, 261457), (287, 70147), (451, 44639), (539, 37351), (911, 22099), (2009, 10021), (3157, 6377)]