20664918

素因数分解:

$2^1\times 3^2\times {\mathrm{211}}^1\times {\mathrm{5441}}^1$

素因数の和:5660

約数の個数: 24

約数和(自身を含む): 44994456

約数和(自身を除く): 24329538

約数列:

[1, 2, 3, 6, 9, 18, 211, 422, 633, 1266, 1899, 3798, 5441, 10882, 16323, 32646, 48969, 97938, 1148051, 2296102, 3444153, 6888306, 10332459, 20664918]

約数ペア:

[(1, 20664918), (2, 10332459), (3, 6888306), (6, 3444153), (9, 2296102), (18, 1148051), (211, 97938), (422, 48969), (633, 32646), (1266, 16323), (1899, 10882), (3798, 5441)]