20734473

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{479}}^1$

素因数の和:836

約数の個数: 16

約数和(自身を含む): 28385280

約数和(自身を除く): 7650807

約数列:

[1, 3, 47, 141, 307, 479, 921, 1437, 14429, 22513, 43287, 67539, 147053, 441159, 6911491, 20734473]

約数ペア:

[(1, 20734473), (3, 6911491), (47, 441159), (141, 147053), (307, 67539), (479, 43287), (921, 22513), (1437, 14429)]