20650170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{688339}}^1$

素因数の和:688349

約数の個数: 16

約数和(自身を含む): 49560480

約数和(自身を除く): 28910310

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 688339, 1376678, 2065017, 3441695, 4130034, 6883390, 10325085, 20650170]

約数ペア:

[(1, 20650170), (2, 10325085), (3, 6883390), (5, 4130034), (6, 3441695), (10, 2065017), (15, 1376678), (30, 688339)]