20688066

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{164191}}^1$

素因数の和:164206

約数の個数: 24

約数和(自身を含む): 51227904

約数和(自身を除く): 30539838

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 164191, 328382, 492573, 985146, 1149337, 1477719, 2298674, 2955438, 3448011, 6896022, 10344033, 20688066]

約数ペア:

[(1, 20688066), (2, 10344033), (3, 6896022), (6, 3448011), (7, 2955438), (9, 2298674), (14, 1477719), (18, 1149337), (21, 985146), (42, 492573), (63, 328382), (126, 164191)]