20004657

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1\times {\mathrm{421}}^1$

素因数の和:808

約数の個数: 16

約数和(自身を含む): 27386112

約数和(自身を除く): 7381455

約数列:

[1, 3, 47, 141, 337, 421, 1011, 1263, 15839, 19787, 47517, 59361, 141877, 425631, 6668219, 20004657]

約数ペア:

[(1, 20004657), (3, 6668219), (47, 425631), (141, 141877), (337, 59361), (421, 47517), (1011, 19787), (1263, 15839)]