15666780020

素因数分解:

$2^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{1809097}}^1$

素因数の和:1809539

約数の個数: 24

約数和(自身を含む): 32976238344

約数和(自身を除く): 17309458324

約数列:

[1, 2, 4, 5, 10, 20, 433, 866, 1732, 2165, 4330, 8660, 1809097, 3618194, 7236388, 9045485, 18090970, 36181940, 783339001, 1566678002, 3133356004, 3916695005, 7833390010, 15666780020]

約数ペア:

[(1, 15666780020), (2, 7833390010), (4, 3916695005), (5, 3133356004), (10, 1566678002), (20, 783339001), (433, 36181940), (866, 18090970), (1732, 9045485), (2165, 7236388), (4330, 3618194), (8660, 1809097)]