20972598

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{25147}}^1$

素因数の和:25291

約数の個数: 16

約数和(自身を含む): 42248640

約数和(自身を除く): 21276042

約数列:

[1, 2, 3, 6, 139, 278, 417, 834, 25147, 50294, 75441, 150882, 3495433, 6990866, 10486299, 20972598]

約数ペア:

[(1, 20972598), (2, 10486299), (3, 6990866), (6, 3495433), (139, 150882), (278, 75441), (417, 50294), (834, 25147)]