20825841

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{1163}}^1$

素因数の和:1340

約数の個数: 16

約数和(自身を含む): 28606464

約数和(自身を除く): 7780623

約数列:

[1, 3, 47, 127, 141, 381, 1163, 3489, 5969, 17907, 54661, 147701, 163983, 443103, 6941947, 20825841]

約数ペア:

[(1, 20825841), (3, 6941947), (47, 443103), (127, 163983), (141, 147701), (381, 54661), (1163, 17907), (3489, 5969)]