20456075654

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1\times {\mathrm{80473}}^1$

素因数の和:80820

約数の個数: 32

約数和(自身を含む): 35722730496

約数和(自身を除く): 15266654842

約数列:

[1, 2, 7, 14, 67, 134, 271, 469, 542, 938, 1897, 3794, 18157, 36314, 80473, 127099, 160946, 254198, 563311, 1126622, 5391691, 10783382, 21808183, 37741837, 43616366, 75483674, 152657281, 305314562, 1461148261, 2922296522, 10228037827, 20456075654]

約数ペア:

[(1, 20456075654), (2, 10228037827), (7, 2922296522), (14, 1461148261), (67, 305314562), (134, 152657281), (271, 75483674), (469, 43616366), (542, 37741837), (938, 21808183), (1897, 10783382), (3794, 5391691), (18157, 1126622), (36314, 563311), (80473, 254198), (127099, 160946)]