20186779328

素因数分解:

$2^6\times {\mathrm{439}}^1\times {\mathrm{718493}}^1$

素因数の和:718944

約数の個数: 28

約数和(自身を含む): 40149444720

約数和(自身を除く): 19962665392

約数列:

[1, 2, 4, 8, 16, 32, 64, 439, 878, 1756, 3512, 7024, 14048, 28096, 718493, 1436986, 2873972, 5747944, 11495888, 22991776, 45983552, 315418427, 630836854, 1261673708, 2523347416, 5046694832, 10093389664, 20186779328]

約数ペア:

[(1, 20186779328), (2, 10093389664), (4, 5046694832), (8, 2523347416), (16, 1261673708), (32, 630836854), (64, 315418427), (439, 45983552), (878, 22991776), (1756, 11495888), (3512, 5747944), (7024, 2873972), (14048, 1436986), (28096, 718493)]