20789332

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2539}}^1$

素因数の和:2655

約数の個数: 24

約数和(自身を含む): 38404800

約数和(自身を除く): 17615468

約数列:

[1, 2, 4, 23, 46, 89, 92, 178, 356, 2047, 2539, 4094, 5078, 8188, 10156, 58397, 116794, 225971, 233588, 451942, 903884, 5197333, 10394666, 20789332]

約数ペア:

[(1, 20789332), (2, 10394666), (4, 5197333), (23, 903884), (46, 451942), (89, 233588), (92, 225971), (178, 116794), (356, 58397), (2047, 10156), (2539, 8188), (4094, 5078)]