20086540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12713}}^1$

素因数の和:12801

約数の個数: 24

約数和(自身を含む): 42719040

約数和(自身を除く): 22632500

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 12713, 25426, 50852, 63565, 127130, 254260, 1004327, 2008654, 4017308, 5021635, 10043270, 20086540]

約数ペア:

[(1, 20086540), (2, 10043270), (4, 5021635), (5, 4017308), (10, 2008654), (20, 1004327), (79, 254260), (158, 127130), (316, 63565), (395, 50852), (790, 25426), (1580, 12713)]