20436080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{36493}}^1$

素因数の和:36513

約数の個数: 40

約数和(自身を含む): 54303072

約数和(自身を除く): 33866992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 36493, 72986, 145972, 182465, 255451, 291944, 364930, 510902, 583888, 729860, 1021804, 1277255, 1459720, 2043608, 2554510, 2919440, 4087216, 5109020, 10218040, 20436080]

約数ペア:

[(1, 20436080), (2, 10218040), (4, 5109020), (5, 4087216), (7, 2919440), (8, 2554510), (10, 2043608), (14, 1459720), (16, 1277255), (20, 1021804), (28, 729860), (35, 583888), (40, 510902), (56, 364930), (70, 291944), (80, 255451), (112, 182465), (140, 145972), (280, 72986), (560, 36493)]