20168187

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{12613}}^1$

素因数の和:12670

約数の個数: 16

約数和(自身を含む): 29668128

約数和(自身を除く): 9499941

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 12613, 37839, 163969, 491907, 517133, 1551399, 6722729, 20168187]

約数ペア:

[(1, 20168187), (3, 6722729), (13, 1551399), (39, 517133), (41, 491907), (123, 163969), (533, 37839), (1599, 12613)]