20015511

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{9127}}^1$

素因数の和:9190

約数の個数: 16

約数和(自身を含む): 28917504

約数和(自身を除く): 8901993

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 9127, 27381, 155159, 392461, 465477, 1177383, 6671837, 20015511]

約数ペア:

[(1, 20015511), (3, 6671837), (17, 1177383), (43, 465477), (51, 392461), (129, 155159), (731, 27381), (2193, 9127)]