20814064

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{30253}}^1$

素因数の和:30304

約数の個数: 20

約数和(自身を含む): 41266456

約数和(自身を除く): 20452392

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 30253, 60506, 121012, 242024, 484048, 1300879, 2601758, 5203516, 10407032, 20814064]

約数ペア:

[(1, 20814064), (2, 10407032), (4, 5203516), (8, 2601758), (16, 1300879), (43, 484048), (86, 242024), (172, 121012), (344, 60506), (688, 30253)]