20889826

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{719}}^1$

素因数の和:993

約数の個数: 16

約数和(自身を含む): 31968000

約数和(自身を除く): 11078174

約数列:

[1, 2, 73, 146, 199, 398, 719, 1438, 14527, 29054, 52487, 104974, 143081, 286162, 10444913, 20889826]

約数ペア:

[(1, 20889826), (2, 10444913), (73, 286162), (146, 143081), (199, 104974), (398, 52487), (719, 29054), (1438, 14527)]