20497946

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{16451}}^1$

素因数の和:16549

約数の個数: 16

約数和(自身を含む): 35536320

約数和(自身を除く): 15038374

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 16451, 32902, 115157, 230314, 1464139, 2928278, 10248973, 20497946]

約数ペア:

[(1, 20497946), (2, 10248973), (7, 2928278), (14, 1464139), (89, 230314), (178, 115157), (623, 32902), (1246, 16451)]