20674580

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10657}}^1$

素因数の和:10763

約数の個数: 24

約数和(自身を含む): 43868328

約数和(自身を除く): 23193748

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 10657, 21314, 42628, 53285, 106570, 213140, 1033729, 2067458, 4134916, 5168645, 10337290, 20674580]

約数ペア:

[(1, 20674580), (2, 10337290), (4, 5168645), (5, 4134916), (10, 2067458), (20, 1033729), (97, 213140), (194, 106570), (388, 53285), (485, 42628), (970, 21314), (1940, 10657)]