20767180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{21191}}^1$

素因数の和:21214

約数の個数: 36

約数和(自身を含む): 50733648

約数和(自身を除く): 29966468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 21191, 42382, 84764, 105955, 148337, 211910, 296674, 423820, 593348, 741685, 1038359, 1483370, 2076718, 2966740, 4153436, 5191795, 10383590, 20767180]

約数ペア:

[(1, 20767180), (2, 10383590), (4, 5191795), (5, 4153436), (7, 2966740), (10, 2076718), (14, 1483370), (20, 1038359), (28, 741685), (35, 593348), (49, 423820), (70, 296674), (98, 211910), (140, 148337), (196, 105955), (245, 84764), (490, 42382), (980, 21191)]