20187664088720

素因数分解:

$2^4\times 5^1\times {\mathrm{563}}^1\times {\mathrm{448216343}}^1$

素因数の和:448216919

約数の個数: 40

約数和(自身を含む): 47019687350976

約数和(自身を除く): 26832023262256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 563, 1126, 2252, 2815, 4504, 5630, 9008, 11260, 22520, 45040, 448216343, 896432686, 1792865372, 2241081715, 3585730744, 4482163430, 7171461488, 8964326860, 17928653720, 35857307440, 252345801109, 504691602218, 1009383204436, 1261729005545, 2018766408872, 2523458011090, 4037532817744, 5046916022180, 10093832044360, 20187664088720]

約数ペア:

[(1, 20187664088720), (2, 10093832044360), (4, 5046916022180), (5, 4037532817744), (8, 2523458011090), (10, 2018766408872), (16, 1261729005545), (20, 1009383204436), (40, 504691602218), (80, 252345801109), (563, 35857307440), (1126, 17928653720), (2252, 8964326860), (2815, 7171461488), (4504, 4482163430), (5630, 3585730744), (9008, 2241081715), (11260, 1792865372), (22520, 896432686), (45040, 448216343)]