20938763

素因数分解:

${\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:358

約数の個数: 16

約数和(自身を含む): 22628160

約数和(自身を除く): 1689397

約数列:

[1, 23, 53, 89, 193, 1219, 2047, 4439, 4717, 10229, 17177, 108491, 235267, 395071, 910381, 20938763]

約数ペア:

[(1, 20938763), (23, 910381), (53, 395071), (89, 235267), (193, 108491), (1219, 17177), (2047, 10229), (4439, 4717)]