20884391

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 24712464

約数和(自身を除く): 3828073

約数列:

[1, 11, 23, 37, 97, 253, 407, 529, 851, 1067, 2231, 3589, 5819, 9361, 19573, 24541, 39479, 51313, 82547, 215303, 564443, 908017, 1898581, 20884391]

約数ペア:

[(1, 20884391), (11, 1898581), (23, 908017), (37, 564443), (97, 215303), (253, 82547), (407, 51313), (529, 39479), (851, 24541), (1067, 19573), (2231, 9361), (3589, 5819)]