20565578929

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1759}}^1\times {\mathrm{5171}}^1$

素因数の和:6973

約数の個数: 32

約数和(自身を含む): 26215833600

約数和(自身を除く): 5650254671

約数列:

[1, 7, 17, 19, 119, 133, 323, 1759, 2261, 5171, 12313, 29903, 33421, 36197, 87907, 98249, 209321, 233947, 568157, 615349, 687743, 1670233, 3977099, 9095789, 11691631, 63670523, 154628413, 172819991, 1082398891, 1209739937, 2937939847, 20565578929]

約数ペア:

[(1, 20565578929), (7, 2937939847), (17, 1209739937), (19, 1082398891), (119, 172819991), (133, 154628413), (323, 63670523), (1759, 11691631), (2261, 9095789), (5171, 3977099), (12313, 1670233), (29903, 687743), (33421, 615349), (36197, 568157), (87907, 233947), (98249, 209321)]