20652281

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:392

約数の個数: 16

約数和(自身を含む): 22870848

約数和(自身を除く): 2218567

約数列:

[1, 13, 67, 131, 181, 871, 1703, 2353, 8777, 12127, 23711, 114101, 157651, 308243, 1588637, 20652281]

約数ペア:

[(1, 20652281), (13, 1588637), (67, 308243), (131, 157651), (181, 114101), (871, 23711), (1703, 12127), (2353, 8777)]