20982540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{349709}}^1$

素因数の和:349721

約数の個数: 24

約数和(自身を含む): 58751280

約数和(自身を除く): 37768740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 349709, 699418, 1049127, 1398836, 1748545, 2098254, 3497090, 4196508, 5245635, 6994180, 10491270, 20982540]

約数ペア:

[(1, 20982540), (2, 10491270), (3, 6994180), (4, 5245635), (5, 4196508), (6, 3497090), (10, 2098254), (12, 1748545), (15, 1398836), (20, 1049127), (30, 699418), (60, 349709)]