20499070

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{16141}}^1$

素因数の和:16275

約数の個数: 16

約数和(自身を含む): 37191168

約数和(自身を除く): 16692098

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 16141, 32282, 80705, 161410, 2049907, 4099814, 10249535, 20499070]

約数ペア:

[(1, 20499070), (2, 10249535), (5, 4099814), (10, 2049907), (127, 161410), (254, 80705), (635, 32282), (1270, 16141)]