20173744

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66361}}^1$

素因数の和:66388

約数の個数: 20

約数和(自身を含む): 41144440

約数和(自身を除く): 20970696

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66361, 132722, 265444, 530888, 1061776, 1260859, 2521718, 5043436, 10086872, 20173744]

約数ペア:

[(1, 20173744), (2, 10086872), (4, 5043436), (8, 2521718), (16, 1260859), (19, 1061776), (38, 530888), (76, 265444), (152, 132722), (304, 66361)]