20655718

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{2311}}^1$

素因数の和:2463

約数の個数: 16

約数和(自身を含む): 32044320

約数和(自身を除く): 11388602

約数列:

[1, 2, 41, 82, 109, 218, 2311, 4469, 4622, 8938, 94751, 189502, 251899, 503798, 10327859, 20655718]

約数ペア:

[(1, 20655718), (2, 10327859), (41, 503798), (82, 251899), (109, 189502), (218, 94751), (2311, 8938), (4469, 4622)]