20519426

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{1741}}^1$

素因数の和:1897

約数の個数: 16

約数和(自身を含む): 31606848

約数和(自身を除く): 11087422

約数列:

[1, 2, 71, 83, 142, 166, 1741, 3482, 5893, 11786, 123611, 144503, 247222, 289006, 10259713, 20519426]

約数ペア:

[(1, 20519426), (2, 10259713), (71, 289006), (83, 247222), (142, 144503), (166, 123611), (1741, 11786), (3482, 5893)]