20649166

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1\times {\mathrm{653}}^1$

素因数の和:915

約数の個数: 16

約数和(自身を含む): 31533264

約数和(自身を除く): 10884098

約数列:

[1, 2, 97, 163, 194, 326, 653, 1306, 15811, 31622, 63341, 106439, 126682, 212878, 10324583, 20649166]

約数ペア:

[(1, 20649166), (2, 10324583), (97, 212878), (163, 126682), (194, 106439), (326, 63341), (653, 31622), (1306, 15811)]