20942763

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{5237}}^1$

素因数の和:5314

約数の個数: 16

約数和(自身を含む): 29500416

約数和(自身を除く): 8557653

約数列:

[1, 3, 31, 43, 93, 129, 1333, 3999, 5237, 15711, 162347, 225191, 487041, 675573, 6980921, 20942763]

約数ペア:

[(1, 20942763), (3, 6980921), (31, 675573), (43, 487041), (93, 225191), (129, 162347), (1333, 15711), (3999, 5237)]