20565937

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{3527}}^1$

素因数の和:3565

約数の個数: 16

約数和(自身を含む): 25401600

約数和(自身を除く): 4835663

約数列:

[1, 7, 17, 49, 119, 343, 833, 3527, 5831, 24689, 59959, 172823, 419713, 1209761, 2937991, 20565937]

約数ペア:

[(1, 20565937), (7, 2937991), (17, 1209761), (49, 419713), (119, 172823), (343, 59959), (833, 24689), (3527, 5831)]