20853870040

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{1547023}}^1$

素因数の和:1547371

約数の個数: 32

約数和(自身を含む): 47060470080

約数和(自身を除く): 26206600040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1348, 1685, 2696, 3370, 6740, 13480, 1547023, 3094046, 6188092, 7735115, 12376184, 15470230, 30940460, 61880920, 521346751, 1042693502, 2085387004, 2606733755, 4170774008, 5213467510, 10426935020, 20853870040]

約数ペア:

[(1, 20853870040), (2, 10426935020), (4, 5213467510), (5, 4170774008), (8, 2606733755), (10, 2085387004), (20, 1042693502), (40, 521346751), (337, 61880920), (674, 30940460), (1348, 15470230), (1685, 12376184), (2696, 7735115), (3370, 6188092), (6740, 3094046), (13480, 1547023)]