20403690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{680123}}^1$

素因数の和:680133

約数の個数: 16

約数和(自身を含む): 48968928

約数和(自身を除く): 28565238

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 680123, 1360246, 2040369, 3400615, 4080738, 6801230, 10201845, 20403690]

約数ペア:

[(1, 20403690), (2, 10201845), (3, 6801230), (5, 4080738), (6, 3400615), (10, 2040369), (15, 1360246), (30, 680123)]