20176581

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{2713}}^1$

素因数の和:2820

約数の個数: 16

約数和(自身を含む): 28051904

約数和(自身を除く): 7875323

約数列:

[1, 3, 37, 67, 111, 201, 2479, 2713, 7437, 8139, 100381, 181771, 301143, 545313, 6725527, 20176581]

約数ペア:

[(1, 20176581), (3, 6725527), (37, 545313), (67, 301143), (111, 181771), (201, 100381), (2479, 8139), (2713, 7437)]