20033289

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 29719872

約数和(自身を除く): 9686583

約数列:

[1, 3, 9, 71, 107, 213, 293, 321, 639, 879, 963, 2637, 7597, 20803, 22791, 31351, 62409, 68373, 94053, 187227, 282159, 2225921, 6677763, 20033289]

約数ペア:

[(1, 20033289), (3, 6677763), (9, 2225921), (71, 282159), (107, 187227), (213, 94053), (293, 68373), (321, 62409), (639, 31351), (879, 22791), (963, 20803), (2637, 7597)]