20691567344

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2530769}}^1$

素因数の和:2530857

約数の個数: 40

約数和(自身を含む): 46444691040

約数和(自身を除く): 25753123696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 146, 292, 511, 584, 1022, 1168, 2044, 4088, 8176, 2530769, 5061538, 10123076, 17715383, 20246152, 35430766, 40492304, 70861532, 141723064, 184746137, 283446128, 369492274, 738984548, 1293222959, 1477969096, 2586445918, 2955938192, 5172891836, 10345783672, 20691567344]

約数ペア:

[(1, 20691567344), (2, 10345783672), (4, 5172891836), (7, 2955938192), (8, 2586445918), (14, 1477969096), (16, 1293222959), (28, 738984548), (56, 369492274), (73, 283446128), (112, 184746137), (146, 141723064), (292, 70861532), (511, 40492304), (584, 35430766), (1022, 20246152), (1168, 17715383), (2044, 10123076), (4088, 5061538), (8176, 2530769)]