20910849

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{5167}}^1$

素因数の和:5260

約数の個数: 16

約数和(自身を含む): 29767680

約数和(自身を除く): 8856831

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 5167, 15501, 98173, 294519, 366857, 1100571, 6970283, 20910849]

約数ペア:

[(1, 20910849), (3, 6970283), (19, 1100571), (57, 366857), (71, 294519), (213, 98173), (1349, 15501), (4047, 5167)]