20358651

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{1627}}^1$

素因数の和:1770

約数の個数: 16

約数和(自身を含む): 28079744

約数和(自身を除く): 7721093

約数列:

[1, 3, 43, 97, 129, 291, 1627, 4171, 4881, 12513, 69961, 157819, 209883, 473457, 6786217, 20358651]

約数ペア:

[(1, 20358651), (3, 6786217), (43, 473457), (97, 209883), (129, 157819), (291, 69961), (1627, 12513), (4171, 4881)]