20725054

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:424

約数の個数: 32

約数和(自身を含む): 36748800

約数和(自身を除く): 16023746

約数列:

[1, 2, 7, 14, 43, 86, 173, 199, 301, 346, 398, 602, 1211, 1393, 2422, 2786, 7439, 8557, 14878, 17114, 34427, 52073, 59899, 68854, 104146, 119798, 240989, 481978, 1480361, 2960722, 10362527, 20725054]

約数ペア:

[(1, 20725054), (2, 10362527), (7, 2960722), (14, 1480361), (43, 481978), (86, 240989), (173, 119798), (199, 104146), (301, 68854), (346, 59899), (398, 52073), (602, 34427), (1211, 17114), (1393, 14878), (2422, 8557), (2786, 7439)]