20132987

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{317}}^1$

素因数の和:578

約数の個数: 16

約数和(自身を含む): 23730432

約数和(自身を除く): 3597445

約数列:

[1, 7, 43, 211, 301, 317, 1477, 2219, 9073, 13631, 63511, 66887, 95417, 468209, 2876141, 20132987]

約数ペア:

[(1, 20132987), (7, 2876141), (43, 468209), (211, 95417), (301, 66887), (317, 63511), (1477, 13631), (2219, 9073)]