20975166

素因数分解:

$2^1\times 3^3\times {\mathrm{163}}^1\times {\mathrm{2383}}^1$

素因数の和:2557

約数の個数: 32

約数和(自身を含む): 46917120

約数和(自身を除く): 25941954

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 163, 326, 489, 978, 1467, 2383, 2934, 4401, 4766, 7149, 8802, 14298, 21447, 42894, 64341, 128682, 388429, 776858, 1165287, 2330574, 3495861, 6991722, 10487583, 20975166]

約数ペア:

[(1, 20975166), (2, 10487583), (3, 6991722), (6, 3495861), (9, 2330574), (18, 1165287), (27, 776858), (54, 388429), (163, 128682), (326, 64341), (489, 42894), (978, 21447), (1467, 14298), (2383, 8802), (2934, 7149), (4401, 4766)]