20652230

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{18947}}^1$

素因数の和:19063

約数の個数: 16

約数和(自身を含む): 37517040

約数和(自身を除く): 16864810

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 18947, 37894, 94735, 189470, 2065223, 4130446, 10326115, 20652230]

約数ペア:

[(1, 20652230), (2, 10326115), (5, 4130446), (10, 2065223), (109, 189470), (218, 94735), (545, 37894), (1090, 18947)]