20448660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{340811}}^1$

素因数の和:340823

約数の個数: 24

約数和(自身を含む): 57256416

約数和(自身を除く): 36807756

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 340811, 681622, 1022433, 1363244, 1704055, 2044866, 3408110, 4089732, 5112165, 6816220, 10224330, 20448660]

約数ペア:

[(1, 20448660), (2, 10224330), (3, 6816220), (4, 5112165), (5, 4089732), (6, 3408110), (10, 2044866), (12, 1704055), (15, 1363244), (20, 1022433), (30, 681622), (60, 340811)]