20343969

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{307}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 30430400

約数和(自身を除く): 10086431

約数列:

[1, 3, 9, 37, 111, 199, 307, 333, 597, 921, 1791, 2763, 7363, 11359, 22089, 34077, 61093, 66267, 102231, 183279, 549837, 2260441, 6781323, 20343969]

約数ペア:

[(1, 20343969), (3, 6781323), (9, 2260441), (37, 549837), (111, 183279), (199, 102231), (307, 66267), (333, 61093), (597, 34077), (921, 22089), (1791, 11359), (2763, 7363)]