16806220

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{8663}}^1$

素因数の和:8769

約数の個数: 24

約数和(自身を含む): 35661024

約数和(自身を除く): 18854804

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 8663, 17326, 34652, 43315, 86630, 173260, 840311, 1680622, 3361244, 4201555, 8403110, 16806220]

約数ペア:

[(1, 16806220), (2, 8403110), (4, 4201555), (5, 3361244), (10, 1680622), (20, 840311), (97, 173260), (194, 86630), (388, 43315), (485, 34652), (970, 17326), (1940, 8663)]