20923280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37363}}^1$

素因数の和:37383

約数の個数: 40

約数和(自身を含む): 55597632

約数和(自身を除く): 34674352

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 37363, 74726, 149452, 186815, 261541, 298904, 373630, 523082, 597808, 747260, 1046164, 1307705, 1494520, 2092328, 2615410, 2989040, 4184656, 5230820, 10461640, 20923280]

約数ペア:

[(1, 20923280), (2, 10461640), (4, 5230820), (5, 4184656), (7, 2989040), (8, 2615410), (10, 2092328), (14, 1494520), (16, 1307705), (20, 1046164), (28, 747260), (35, 597808), (40, 523082), (56, 373630), (70, 298904), (80, 261541), (112, 186815), (140, 149452), (280, 74726), (560, 37363)]