20310686

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13003}}^1$

素因数の和:13087

約数の個数: 16

約数和(自身を含む): 33706368

約数和(自身を除く): 13395682

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 13003, 26006, 143033, 286066, 923213, 1846426, 10155343, 20310686]

約数ペア:

[(1, 20310686), (2, 10155343), (11, 1846426), (22, 923213), (71, 286066), (142, 143033), (781, 26006), (1562, 13003)]