20311538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{11003}}^1$

素因数の和:11089

約数の個数: 16

約数和(自身を含む): 33276096

約数和(自身を除く): 12964558

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 11003, 22006, 143039, 286078, 781213, 1562426, 10155769, 20311538]

約数ペア:

[(1, 20311538), (2, 10155769), (13, 1562426), (26, 781213), (71, 286078), (142, 143039), (923, 22006), (1846, 11003)]