20744314

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{4831}}^1$

素因数の和:4965

約数の個数: 16

約数和(自身を含む): 33050880

約数和(自身を除く): 12306566

約数列:

[1, 2, 19, 38, 113, 226, 2147, 4294, 4831, 9662, 91789, 183578, 545903, 1091806, 10372157, 20744314]

約数ペア:

[(1, 20744314), (2, 10372157), (19, 1091806), (38, 545903), (113, 183578), (226, 91789), (2147, 9662), (4294, 4831)]