20985810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{699527}}^1$

素因数の和:699537

約数の個数: 16

約数和(自身を含む): 50366016

約数和(自身を除く): 29380206

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 699527, 1399054, 2098581, 3497635, 4197162, 6995270, 10492905, 20985810]

約数ペア:

[(1, 20985810), (2, 10492905), (3, 6995270), (5, 4197162), (6, 3497635), (10, 2098581), (15, 1399054), (30, 699527)]