20004777

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8999}}^1$

素因数の和:9037

約数の個数: 24

約数和(自身を含む): 32760000

約数和(自身を除く): 12755223

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 8999, 26997, 80991, 116987, 170981, 350961, 512943, 1052883, 1538829, 2222753, 6668259, 20004777]

約数ペア:

[(1, 20004777), (3, 6668259), (9, 2222753), (13, 1538829), (19, 1052883), (39, 512943), (57, 350961), (117, 170981), (171, 116987), (247, 80991), (741, 26997), (2223, 8999)]