20491340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{27691}}^1$

素因数の和:27737

約数の個数: 24

約数和(自身を含む): 44196432

約数和(自身を除く): 23705092

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 27691, 55382, 110764, 138455, 276910, 553820, 1024567, 2049134, 4098268, 5122835, 10245670, 20491340]

約数ペア:

[(1, 20491340), (2, 10245670), (4, 5122835), (5, 4098268), (10, 2049134), (20, 1024567), (37, 553820), (74, 276910), (148, 138455), (185, 110764), (370, 55382), (740, 27691)]