20815010

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{48407}}^1$

素因数の和:48457

約数の個数: 16

約数和(自身を含む): 38339136

約数和(自身を除く): 17524126

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 48407, 96814, 242035, 484070, 2081501, 4163002, 10407505, 20815010]

約数ペア:

[(1, 20815010), (2, 10407505), (5, 4163002), (10, 2081501), (43, 484070), (86, 242035), (215, 96814), (430, 48407)]