20685882

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{4603}}^1$

素因数の和:4722

約数の個数: 32

約数和(自身を含む): 47734272

約数和(自身を除く): 27048390

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 107, 214, 321, 642, 749, 1498, 2247, 4494, 4603, 9206, 13809, 27618, 32221, 64442, 96663, 193326, 492521, 985042, 1477563, 2955126, 3447647, 6895294, 10342941, 20685882]

約数ペア:

[(1, 20685882), (2, 10342941), (3, 6895294), (6, 3447647), (7, 2955126), (14, 1477563), (21, 985042), (42, 492521), (107, 193326), (214, 96663), (321, 64442), (642, 32221), (749, 27618), (1498, 13809), (2247, 9206), (4494, 4603)]