20971594

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{15443}}^1$

素因数の和:15549

約数の個数: 16

約数和(自身を含む): 36324288

約数和(自身を除く): 15352694

約数列:

[1, 2, 7, 14, 97, 194, 679, 1358, 15443, 30886, 108101, 216202, 1497971, 2995942, 10485797, 20971594]

約数ペア:

[(1, 20971594), (2, 10485797), (7, 2995942), (14, 1497971), (97, 216202), (194, 108101), (679, 30886), (1358, 15443)]