20755854

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{164729}}^1$

素因数の和:164744

約数の個数: 24

約数和(自身を含む): 51395760

約数和(自身を除く): 30639906

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 164729, 329458, 494187, 988374, 1153103, 1482561, 2306206, 2965122, 3459309, 6918618, 10377927, 20755854]

約数ペア:

[(1, 20755854), (2, 10377927), (3, 6918618), (6, 3459309), (7, 2965122), (9, 2306206), (14, 1482561), (18, 1153103), (21, 988374), (42, 494187), (63, 329458), (126, 164729)]