20566456

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{43573}}^1$

素因数の和:43638

約数の個数: 16

約数和(自身を含む): 39216600

約数和(自身を除く): 18650144

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 43573, 87146, 174292, 348584, 2570807, 5141614, 10283228, 20566456]

約数ペア:

[(1, 20566456), (2, 10283228), (4, 5141614), (8, 2570807), (59, 348584), (118, 174292), (236, 87146), (472, 43573)]