20638486

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{7753}}^1$

素因数の和:7788

約数の個数: 16

約数和(自身を含む): 34055568

約数和(自身を除く): 13417082

約数列:

[1, 2, 11, 22, 121, 242, 1331, 2662, 7753, 15506, 85283, 170566, 938113, 1876226, 10319243, 20638486]

約数ペア:

[(1, 20638486), (2, 10319243), (11, 1876226), (22, 938113), (121, 170566), (242, 85283), (1331, 15506), (2662, 7753)]