20791317

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{3041}}^1$

素因数の和:3140

約数の個数: 16

約数和(自身を含む): 28911168

約数和(自身を除く): 8119851

約数列:

[1, 3, 43, 53, 129, 159, 2279, 3041, 6837, 9123, 130763, 161173, 392289, 483519, 6930439, 20791317]

約数ペア:

[(1, 20791317), (3, 6930439), (43, 483519), (53, 392289), (129, 161173), (159, 130763), (2279, 9123), (3041, 6837)]