20430260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{60089}}^1$

素因数の和:60115

約数の個数: 24

約数和(自身を含む): 45428040

約数和(自身を除く): 24997780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 60089, 120178, 240356, 300445, 600890, 1021513, 1201780, 2043026, 4086052, 5107565, 10215130, 20430260]

約数ペア:

[(1, 20430260), (2, 10215130), (4, 5107565), (5, 4086052), (10, 2043026), (17, 1201780), (20, 1021513), (34, 600890), (68, 300445), (85, 240356), (170, 120178), (340, 60089)]