20512281591

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{293}}^1\times {\mathrm{63241}}^1$

素因数の和:63584

約数の個数: 32

約数和(自身を含む): 31236488640

約数和(自身を除く): 10724207049

約数列:

[1, 3, 9, 27, 41, 123, 293, 369, 879, 1107, 2637, 7911, 12013, 36039, 63241, 108117, 189723, 324351, 569169, 1707507, 2592881, 7778643, 18529613, 23335929, 55588839, 70007787, 166766517, 500299551, 759714133, 2279142399, 6837427197, 20512281591]

約数ペア:

[(1, 20512281591), (3, 6837427197), (9, 2279142399), (27, 759714133), (41, 500299551), (123, 166766517), (293, 70007787), (369, 55588839), (879, 23335929), (1107, 18529613), (2637, 7778643), (7911, 2592881), (12013, 1707507), (36039, 569169), (63241, 324351), (108117, 189723)]