20931890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{299027}}^1$

素因数の和:299041

約数の個数: 16

約数和(自身を含む): 43060032

約数和(自身を除く): 22128142

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 299027, 598054, 1495135, 2093189, 2990270, 4186378, 10465945, 20931890]

約数ペア:

[(1, 20931890), (2, 10465945), (5, 4186378), (7, 2990270), (10, 2093189), (14, 1495135), (35, 598054), (70, 299027)]