20166982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12911}}^1$

素因数の和:12995

約数の個数: 16

約数和(自身を含む): 33467904

約数和(自身を除く): 13300922

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 12911, 25822, 142021, 284042, 916681, 1833362, 10083491, 20166982]

約数ペア:

[(1, 20166982), (2, 10083491), (11, 1833362), (22, 916681), (71, 284042), (142, 142021), (781, 25822), (1562, 12911)]