20718660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{345311}}^1$

素因数の和:345323

約数の個数: 24

約数和(自身を含む): 58012416

約数和(自身を除く): 37293756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 345311, 690622, 1035933, 1381244, 1726555, 2071866, 3453110, 4143732, 5179665, 6906220, 10359330, 20718660]

約数ペア:

[(1, 20718660), (2, 10359330), (3, 6906220), (4, 5179665), (5, 4143732), (6, 3453110), (10, 2071866), (12, 1726555), (15, 1381244), (20, 1035933), (30, 690622), (60, 345311)]